Question

If a:b=4:5,b:c=6:9, c:d=15:19, then what is the ratio of a:b:c:d​

Answer 1

Step-by-step explanation:

a:b=4:5=4/5

b:c=6:9=6/9

c:d=15:19=15/19

4/5×6/9×15/19=8/19

So, the ratio of a:b:c:d=8:19 Ans.

I think u Understand the answer.

Answer 2

Answer:

Given:

a:b=4:5

b:c=6:9

c:d=15:19

To find:

a:b:c:d

solution

a=4×6×15

=360

b=5×6×15

=450

c=5×9×15

=675

d= 5×9×19

=855

so. all divided by 5

Therefore

a:b:c:d=4:5:6:9:15:19