Finding the Fourth Proportional to 352,514,169.20, 528,771,253.80 and 284,489,721.20
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Solution
The fourth proportional to 352,514,169.20, 528,771,253.80 and 284,489,721.20 is: 426,734,581.80
Step by Step Solution
- Step 1: Write the proportion equation
352,514,169.20 : 528,771,253.80 = 284,489,721.20 : x - Step 2: Convert to fraction form
352,514,169.20/528,771,253.80 = 284,489,721.20/x - Step 3: Cross multiply
352,514,169.20x = 528,771,253.80 × 284,489,721.20 - Step 4: Simplify right side
352,514,169.20x = 150,429,986,572,136,448 - Step 5: Solve for x
x = 150,429,986,572,136,448/352,514,169.20 - Step 6: Final answer
x = 426,734,581.80
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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.