Question

If
a:b = 2:3
b:c = 4:5
c:d = 6:7
find a:b:c:d​

Answer 1

for a/b=2/3*8/8=16/24

now , b/c=4/5*6/6=24/30

lastly, c/d=6/7*5/5=30/35

now a:b:c:d = 16:24:30:35