Home / 426,166,255.13-639,278,251.10-149,783,867.69

Finding the Fourth Proportional to 426,166,255.13, 639,278,251.10 and 149,783,867.69

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Solution

The fourth proportional to 426,166,255.13, 639,278,251.10 and 149,783,867.69 is: 224,685,947.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,166,255.13 : 639,278,251.10 = 149,783,867.69 : x
  2. Step 2: Convert to fraction form
    426,166,255.13/639,278,251.10 = 149,783,867.69/x
  3. Step 3: Cross multiply
    426,166,255.13x = 639,278,251.10 × 149,783,867.69
  4. Step 4: Simplify right side
    426,166,255.13x = 95,753,568,981,829,648
  5. Step 5: Solve for x
    x = 95,753,568,981,829,648/426,166,255.13
  6. Step 6: Final answer
    x = 224,685,947.86

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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.