Home / 413,753,491.20-620,781,573.24-192,530,338.68

Finding the Fourth Proportional to 413,753,491.20, 620,781,573.24 and 192,530,338.68

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Solution

The fourth proportional to 413,753,491.20, 620,781,573.24 and 192,530,338.68 is: 288,865,928.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,753,491.20 : 620,781,573.24 = 192,530,338.68 : x
  2. Step 2: Convert to fraction form
    413,753,491.20/620,781,573.24 = 192,530,338.68/x
  3. Step 3: Cross multiply
    413,753,491.20x = 620,781,573.24 × 192,530,338.68
  4. Step 4: Simplify right side
    413,753,491.20x = 119,519,286,542,200,432
  5. Step 5: Solve for x
    x = 119,519,286,542,200,432/413,753,491.20
  6. Step 6: Final answer
    x = 288,865,928.83

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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.