Finding the Fourth Proportional to 564,766,115.20, 847,149,172.80 and 201,129,251.20
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Solution
The fourth proportional to 564,766,115.20, 847,149,172.80 and 201,129,251.20 is: 301,693,876.80
Step by Step Solution
- Step 1: Write the proportion equation
564,766,115.20 : 847,149,172.80 = 201,129,251.20 : x - Step 2: Convert to fraction form
564,766,115.20/847,149,172.80 = 201,129,251.20/x - Step 3: Cross multiply
564,766,115.20x = 847,149,172.80 × 201,129,251.20 - Step 4: Simplify right side
564,766,115.20x = 170,386,478,779,963,392 - Step 5: Solve for x
x = 170,386,478,779,963,392/564,766,115.20 - Step 6: Final answer
x = 301,693,876.80
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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.