Finding the Fourth Proportional to 1,591,948,542.20, 2,385,655,331.70 and 1,174,165,057.40
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Solution
The fourth proportional to 1,591,948,542.20, 2,385,655,331.70 and 1,174,165,057.40 is: 1,759,575,171.70
Step by Step Solution
- Step 1: Write the proportion equation
1,591,948,542.20 : 2,385,655,331.70 = 1,174,165,057.40 : x - Step 2: Convert to fraction form
1,591,948,542.20/2,385,655,331.70 = 1,174,165,057.40/x - Step 3: Cross multiply
1,591,948,542.20x = 2,385,655,331.70 × 1,174,165,057.40 - Step 4: Simplify right side
1,591,948,542.20x = 2,801,153,129,482,146,304 - Step 5: Solve for x
x = 2,801,153,129,482,146,304/1,591,948,542.20 - Step 6: Final answer
x = 1,759,575,171.70
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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.