Home / 440,098,010.70-660,147,016.05-394,181,508.30

Finding the Fourth Proportional to 440,098,010.70, 660,147,016.05 and 394,181,508.30

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Solution

The fourth proportional to 440,098,010.70, 660,147,016.05 and 394,181,508.30 is: 591,272,262.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,098,010.70 : 660,147,016.05 = 394,181,508.30 : x
  2. Step 2: Convert to fraction form
    440,098,010.70/660,147,016.05 = 394,181,508.30/x
  3. Step 3: Cross multiply
    440,098,010.70x = 660,147,016.05 × 394,181,508.30
  4. Step 4: Simplify right side
    440,098,010.70x = 260,217,746,486,333,312
  5. Step 5: Solve for x
    x = 260,217,746,486,333,312/440,098,010.70
  6. Step 6: Final answer
    x = 591,272,262.45

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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.