Home / 439,195,427.16-658,797,865.38-132,490,198.68

Finding the Fourth Proportional to 439,195,427.16, 658,797,865.38 and 132,490,198.68

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Solution

The fourth proportional to 439,195,427.16, 658,797,865.38 and 132,490,198.68 is: 198,736,723.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,195,427.16 : 658,797,865.38 = 132,490,198.68 : x
  2. Step 2: Convert to fraction form
    439,195,427.16/658,797,865.38 = 132,490,198.68/x
  3. Step 3: Cross multiply
    439,195,427.16x = 658,797,865.38 × 132,490,198.68
  4. Step 4: Simplify right side
    439,195,427.16x = 87,284,260,074,156,096
  5. Step 5: Solve for x
    x = 87,284,260,074,156,096/439,195,427.16
  6. Step 6: Final answer
    x = 198,736,723.28

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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.