Home / 422,024,767.20-633,149,125.20-149,367,103.20

Finding the Fourth Proportional to 422,024,767.20, 633,149,125.20 and 149,367,103.20

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Solution

The fourth proportional to 422,024,767.20, 633,149,125.20 and 149,367,103.20 is: 224,090,285.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,024,767.20 : 633,149,125.20 = 149,367,103.20 : x
  2. Step 2: Convert to fraction form
    422,024,767.20/633,149,125.20 = 149,367,103.20/x
  3. Step 3: Cross multiply
    422,024,767.20x = 633,149,125.20 × 149,367,103.20
  4. Step 4: Simplify right side
    422,024,767.20x = 94,571,650,724,738,128
  5. Step 5: Solve for x
    x = 94,571,650,724,738,128/422,024,767.20
  6. Step 6: Final answer
    x = 224,090,285.87

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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.