Home / 645,580,034.33-967,361,143.87-449,227,082.72

Finding the Fourth Proportional to 645,580,034.33, 967,361,143.87 and 449,227,082.72

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Solution

The fourth proportional to 645,580,034.33, 967,361,143.87 and 449,227,082.72 is: 673,138,575.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,580,034.33 : 967,361,143.87 = 449,227,082.72 : x
  2. Step 2: Convert to fraction form
    645,580,034.33/967,361,143.87 = 449,227,082.72/x
  3. Step 3: Cross multiply
    645,580,034.33x = 967,361,143.87 × 449,227,082.72
  4. Step 4: Simplify right side
    645,580,034.33x = 434,564,824,594,936,000
  5. Step 5: Solve for x
    x = 434,564,824,594,936,000/645,580,034.33
  6. Step 6: Final answer
    x = 673,138,575.37

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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.