Finding the Fourth Proportional to 352,514,139.70, 528,771,209.55 and 284,489,691.70
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Solution
The fourth proportional to 352,514,139.70, 528,771,209.55 and 284,489,691.70 is: 426,734,537.55
Step by Step Solution
- Step 1: Write the proportion equation
352,514,139.70 : 528,771,209.55 = 284,489,691.70 : x - Step 2: Convert to fraction form
352,514,139.70/528,771,209.55 = 284,489,691.70/x - Step 3: Cross multiply
352,514,139.70x = 528,771,209.55 × 284,489,691.70 - Step 4: Simplify right side
352,514,139.70x = 150,429,958,384,715,584 - Step 5: Solve for x
x = 150,429,958,384,715,584/352,514,139.70 - Step 6: Final answer
x = 426,734,537.55
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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.