Finding the Fourth Proportional to 529,660,044.78, 730,930,176.93 and 328,642,154.82
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Solution
The fourth proportional to 529,660,044.78, 730,930,176.93 and 328,642,154.82 is: 453,525,748.71
Step by Step Solution
- Step 1: Write the proportion equation
529,660,044.78 : 730,930,176.93 = 328,642,154.82 : x - Step 2: Convert to fraction form
529,660,044.78/730,930,176.93 = 328,642,154.82/x - Step 3: Cross multiply
529,660,044.78x = 730,930,176.93 × 328,642,154.82 - Step 4: Simplify right side
529,660,044.78x = 240,214,468,369,239,040 - Step 5: Solve for x
x = 240,214,468,369,239,040/529,660,044.78 - Step 6: Final answer
x = 453,525,748.71
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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.