Finding the Fourth Proportional to 904,766,161.18, 1,248,678,404.10 and 547,730,659.20
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Solution
The fourth proportional to 904,766,161.18, 1,248,678,404.10 and 547,730,659.20 is: 755,929,515.00
Step by Step Solution
- Step 1: Write the proportion equation
904,766,161.18 : 1,248,678,404.10 = 547,730,659.20 : x - Step 2: Convert to fraction form
904,766,161.18/1,248,678,404.10 = 547,730,659.20/x - Step 3: Cross multiply
904,766,161.18x = 1,248,678,404.10 × 547,730,659.20 - Step 4: Simplify right side
904,766,161.18x = 683,939,445,406,497,024 - Step 5: Solve for x
x = 683,939,445,406,497,024/904,766,161.18 - Step 6: Final answer
x = 755,929,515.00
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.