Home / 415,098,605.38-572,842,881.05-247,849,481.80

Finding the Fourth Proportional to 415,098,605.38, 572,842,881.05 and 247,849,481.80

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Solution

The fourth proportional to 415,098,605.38, 572,842,881.05 and 247,849,481.80 is: 342,036,348.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,098,605.38 : 572,842,881.05 = 247,849,481.80 : x
  2. Step 2: Convert to fraction form
    415,098,605.38/572,842,881.05 = 247,849,481.80/x
  3. Step 3: Cross multiply
    415,098,605.38x = 572,842,881.05 × 247,849,481.80
  4. Step 4: Simplify right side
    415,098,605.38x = 141,978,811,221,061,536
  5. Step 5: Solve for x
    x = 141,978,811,221,061,536/415,098,605.38
  6. Step 6: Final answer
    x = 342,036,348.43

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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.