Home / 540,481,861,174.68-745,815,669,327.90-320,712,678,274.85

Finding the Fourth Proportional to 540,481,861,174.68, 745,815,669,327.90 and 320,712,678,274.85

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Solution

The fourth proportional to 540,481,861,174.68, 745,815,669,327.90 and 320,712,678,274.85 is: 442,554,242,781.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,481,861,174.68 : 745,815,669,327.90 = 320,712,678,274.85 : x
  2. Step 2: Convert to fraction form
    540,481,861,174.68/745,815,669,327.90 = 320,712,678,274.85/x
  3. Step 3: Cross multiply
    540,481,861,174.68x = 745,815,669,327.90 × 320,712,678,274.85
  4. Step 4: Simplify right side
    540,481,861,174.68x = 239,192,540,809,500,687,335,424
  5. Step 5: Solve for x
    x = 239,192,540,809,500,687,335,424/540,481,861,174.68
  6. Step 6: Final answer
    x = 442,554,242,781.88

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Double scale
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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.