Home / 664,031,720.10-996,047,580.15-203,969,151.30

Finding the Fourth Proportional to 664,031,720.10, 996,047,580.15 and 203,969,151.30

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Solution

The fourth proportional to 664,031,720.10, 996,047,580.15 and 203,969,151.30 is: 305,953,726.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,031,720.10 : 996,047,580.15 = 203,969,151.30 : x
  2. Step 2: Convert to fraction form
    664,031,720.10/996,047,580.15 = 203,969,151.30/x
  3. Step 3: Cross multiply
    664,031,720.10x = 996,047,580.15 × 203,969,151.30
  4. Step 4: Simplify right side
    664,031,720.10x = 203,162,979,577,614,240
  5. Step 5: Solve for x
    x = 203,162,979,577,614,240/664,031,720.10
  6. Step 6: Final answer
    x = 305,953,726.95

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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.