Home / 415,098,606.38-572,842,882.43-247,849,482.80

Finding the Fourth Proportional to 415,098,606.38, 572,842,882.43 and 247,849,482.80

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Solution

The fourth proportional to 415,098,606.38, 572,842,882.43 and 247,849,482.80 is: 342,036,349.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,098,606.38 : 572,842,882.43 = 247,849,482.80 : x
  2. Step 2: Convert to fraction form
    415,098,606.38/572,842,882.43 = 247,849,482.80/x
  3. Step 3: Cross multiply
    415,098,606.38x = 572,842,882.43 × 247,849,482.80
  4. Step 4: Simplify right side
    415,098,606.38x = 141,978,812,135,936,704
  5. Step 5: Solve for x
    x = 141,978,812,135,936,704/415,098,606.38
  6. Step 6: Final answer
    x = 342,036,349.81

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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.