NET
49 “Babylon must fall because of the Israelites she has killed, just as the earth’s mortally wounded fell because of Babylon.
Darby
49 As Babylon caused the slain of Israel to fall, so at Babylon shall fall the slain of all the earth.
KJV
49 As Babylon [hath caused] the slain of Israel to fall, so at Babylon shall fall the slain of all the earth.