Finding the Fourth Proportional to 516,924,854.73, 775,394,029.53 and 171,878,481.63
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Solution
The fourth proportional to 516,924,854.73, 775,394,029.53 and 171,878,481.63 is: 257,819,965.98
Step by Step Solution
- Step 1: Write the proportion equation
516,924,854.73 : 775,394,029.53 = 171,878,481.63 : x - Step 2: Convert to fraction form
516,924,854.73/775,394,029.53 = 171,878,481.63/x - Step 3: Cross multiply
516,924,854.73x = 775,394,029.53 × 171,878,481.63 - Step 4: Simplify right side
516,924,854.73x = 133,273,548,460,583,776 - Step 5: Solve for x
x = 133,273,548,460,583,776/516,924,854.73 - Step 6: Final answer
x = 257,819,965.98
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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.