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Finding the Fourth Proportional to 363,645,600.60, 545,468,400.90 and 254,593,907.40

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Solution

The fourth proportional to 363,645,600.60, 545,468,400.90 and 254,593,907.40 is: 381,890,861.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,645,600.60 : 545,468,400.90 = 254,593,907.40 : x
  2. Step 2: Convert to fraction form
    363,645,600.60/545,468,400.90 = 254,593,907.40/x
  3. Step 3: Cross multiply
    363,645,600.60x = 545,468,400.90 × 254,593,907.40
  4. Step 4: Simplify right side
    363,645,600.60x = 138,872,931,548,360,672
  5. Step 5: Solve for x
    x = 138,872,931,548,360,672/363,645,600.60
  6. Step 6: Final answer
    x = 381,890,861.10

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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.