Home / 408,230,472.30-612,345,708.45-254,962,887.90

Finding the Fourth Proportional to 408,230,472.30, 612,345,708.45 and 254,962,887.90

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Solution

The fourth proportional to 408,230,472.30, 612,345,708.45 and 254,962,887.90 is: 382,444,331.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,230,472.30 : 612,345,708.45 = 254,962,887.90 : x
  2. Step 2: Convert to fraction form
    408,230,472.30/612,345,708.45 = 254,962,887.90/x
  3. Step 3: Cross multiply
    408,230,472.30x = 612,345,708.45 × 254,962,887.90
  4. Step 4: Simplify right side
    408,230,472.30x = 156,125,430,219,583,456
  5. Step 5: Solve for x
    x = 156,125,430,219,583,456/408,230,472.30
  6. Step 6: Final answer
    x = 382,444,331.85

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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.