Home / 488,012,025.28-731,507,180.32-204,233,799.80

Finding the Fourth Proportional to 488,012,025.28, 731,507,180.32 and 204,233,799.80

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Solution

The fourth proportional to 488,012,025.28, 731,507,180.32 and 204,233,799.80 is: 306,136,904.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,012,025.28 : 731,507,180.32 = 204,233,799.80 : x
  2. Step 2: Convert to fraction form
    488,012,025.28/731,507,180.32 = 204,233,799.80/x
  3. Step 3: Cross multiply
    488,012,025.28x = 731,507,180.32 × 204,233,799.80
  4. Step 4: Simplify right side
    488,012,025.28x = 149,398,491,017,737,408
  5. Step 5: Solve for x
    x = 149,398,491,017,737,408/488,012,025.28
  6. Step 6: Final answer
    x = 306,136,904.99

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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.