Home / 279,936,627.60-419,904,941.40-192,260,672.40

Finding the Fourth Proportional to 279,936,627.60, 419,904,941.40 and 192,260,672.40

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Solution

The fourth proportional to 279,936,627.60, 419,904,941.40 and 192,260,672.40 is: 288,391,008.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,936,627.60 : 419,904,941.40 = 192,260,672.40 : x
  2. Step 2: Convert to fraction form
    279,936,627.60/419,904,941.40 = 192,260,672.40/x
  3. Step 3: Cross multiply
    279,936,627.60x = 419,904,941.40 × 192,260,672.40
  4. Step 4: Simplify right side
    279,936,627.60x = 80,731,206,377,646,592
  5. Step 5: Solve for x
    x = 80,731,206,377,646,592/279,936,627.60
  6. Step 6: Final answer
    x = 288,391,008.60

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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.