Home / 426,147,862.24-639,250,136.96-149,765,649.76

Finding the Fourth Proportional to 426,147,862.24, 639,250,136.96 and 149,765,649.76

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Solution

The fourth proportional to 426,147,862.24, 639,250,136.96 and 149,765,649.76 is: 224,658,435.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,147,862.24 : 639,250,136.96 = 149,765,649.76 : x
  2. Step 2: Convert to fraction form
    426,147,862.24/639,250,136.96 = 149,765,649.76/x
  3. Step 3: Cross multiply
    426,147,862.24x = 639,250,136.96 × 149,765,649.76
  4. Step 4: Simplify right side
    426,147,862.24x = 95,737,712,120,983,392
  5. Step 5: Solve for x
    x = 95,737,712,120,983,392/426,147,862.24
  6. Step 6: Final answer
    x = 224,658,435.73

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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.