Olson also drove in a run in the third with a single, before the Giants managed to temporarily draw even in the bottom of the inning on Wilmer Flores' 19th home run of the season. The two-run shot also scored Austin Slater, who had walked.
The homers by Riley, his 30th, and Arcia, his 15th, were solo shots and came in the fifth and sixth innings, respectively, allowing the Braves to take charge.
A three-run eighth featured Eddie Rosario's RBI single and sacrifice flies by Arcia and Nicky Lopez to make it a blowout.
Fried (5-1) bounced back from the two-run third to complete six innings, allowing no further scoring and a total of six hits. He walked two and struck out eight.
Kirby Yates, Pierce Johnson and A.J. Minter threw one inning of relief apiece, with the Giants' final run coming on an RBI single by Wade Meckler off Minter in the ninth.
Arcia finished with two RBIs and Riley scored twice for the Braves, who have opened a 10-game Western swing with a pair of wins.
J.D. Davis had a double and a single for the Giants, who lost for the fourth time in their last five games.
—Field Level Media