Home / 354,294,543.60-531,441,815.40-324,161,838.90

Finding the Fourth Proportional to 354,294,543.60, 531,441,815.40 and 324,161,838.90

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Solution

The fourth proportional to 354,294,543.60, 531,441,815.40 and 324,161,838.90 is: 486,242,758.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,294,543.60 : 531,441,815.40 = 324,161,838.90 : x
  2. Step 2: Convert to fraction form
    354,294,543.60/531,441,815.40 = 324,161,838.90/x
  3. Step 3: Cross multiply
    354,294,543.60x = 531,441,815.40 × 324,161,838.90
  4. Step 4: Simplify right side
    354,294,543.60x = 172,273,156,148,418,304
  5. Step 5: Solve for x
    x = 172,273,156,148,418,304/354,294,543.60
  6. Step 6: Final answer
    x = 486,242,758.35

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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.