Practice!

Sample Problem

12:28:400 = :7:

: :36 = 4:5:6

Solution

12:28:400 = (12 ÷ 4) : (28 ÷ 4) : (400 ÷ 4) = 3:7:100

4:5:6 = (4 × 6) : (5 × 6) : (6 × 6) = 24:30:36