Home / 426,166,255.64-639,278,251.86-149,783,868.20

Finding the Fourth Proportional to 426,166,255.64, 639,278,251.86 and 149,783,868.20

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Solution

The fourth proportional to 426,166,255.64, 639,278,251.86 and 149,783,868.20 is: 224,685,948.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,166,255.64 : 639,278,251.86 = 149,783,868.20 : x
  2. Step 2: Convert to fraction form
    426,166,255.64/639,278,251.86 = 149,783,868.20/x
  3. Step 3: Cross multiply
    426,166,255.64x = 639,278,251.86 × 149,783,868.20
  4. Step 4: Simplify right side
    426,166,255.64x = 95,753,569,415,779,328
  5. Step 5: Solve for x
    x = 95,753,569,415,779,328/426,166,255.64
  6. Step 6: Final answer
    x = 224,685,948.62

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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.