Home / 440,665,123.06-660,973,764.13-133,933,321.09

Finding the Fourth Proportional to 440,665,123.06, 660,973,764.13 and 133,933,321.09

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Solution

The fourth proportional to 440,665,123.06, 660,973,764.13 and 133,933,321.09 is: 200,892,711.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,665,123.06 : 660,973,764.13 = 133,933,321.09 : x
  2. Step 2: Convert to fraction form
    440,665,123.06/660,973,764.13 = 133,933,321.09/x
  3. Step 3: Cross multiply
    440,665,123.06x = 660,973,764.13 × 133,933,321.09
  4. Step 4: Simplify right side
    440,665,123.06x = 88,526,411,383,780,608
  5. Step 5: Solve for x
    x = 88,526,411,383,780,608/440,665,123.06
  6. Step 6: Final answer
    x = 200,892,711.38

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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.