Finding the Fourth Proportional to 9,657,792,080.40, 14,486,688,120.60 and 3,115,351,837.20
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Solution
The fourth proportional to 9,657,792,080.40, 14,486,688,120.60 and 3,115,351,837.20 is: 4,673,027,755.80
Step by Step Solution
- Step 1: Write the proportion equation
9,657,792,080.40 : 14,486,688,120.60 = 3,115,351,837.20 : x - Step 2: Convert to fraction form
9,657,792,080.40/14,486,688,120.60 = 3,115,351,837.20/x - Step 3: Cross multiply
9,657,792,080.40x = 14,486,688,120.60 × 3,115,351,837.20 - Step 4: Simplify right side
9,657,792,080.40x = 45,131,130,451,454,623,744 - Step 5: Solve for x
x = 45,131,130,451,454,623,744/9,657,792,080.40 - Step 6: Final answer
x = 4,673,027,755.80
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Double scale
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.