Home / 398,591,702.10-597,887,553.15-125,962,469.10

Finding the Fourth Proportional to 398,591,702.10, 597,887,553.15 and 125,962,469.10

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Solution

The fourth proportional to 398,591,702.10, 597,887,553.15 and 125,962,469.10 is: 188,943,703.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,591,702.10 : 597,887,553.15 = 125,962,469.10 : x
  2. Step 2: Convert to fraction form
    398,591,702.10/597,887,553.15 = 125,962,469.10/x
  3. Step 3: Cross multiply
    398,591,702.10x = 597,887,553.15 × 125,962,469.10
  4. Step 4: Simplify right side
    398,591,702.10x = 75,311,392,438,931,472
  5. Step 5: Solve for x
    x = 75,311,392,438,931,472/398,591,702.10
  6. Step 6: Final answer
    x = 188,943,703.65

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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.