Home / 383,872,930.47-576,132,412.86-359,659,149.90

Finding the Fourth Proportional to 383,872,930.47, 576,132,412.86 and 359,659,149.90

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Solution

The fourth proportional to 383,872,930.47, 576,132,412.86 and 359,659,149.90 is: 539,791,366.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,872,930.47 : 576,132,412.86 = 359,659,149.90 : x
  2. Step 2: Convert to fraction form
    383,872,930.47/576,132,412.86 = 359,659,149.90/x
  3. Step 3: Cross multiply
    383,872,930.47x = 576,132,412.86 × 359,659,149.90
  4. Step 4: Simplify right side
    383,872,930.47x = 207,211,293,839,063,424
  5. Step 5: Solve for x
    x = 207,211,293,839,063,424/383,872,930.47
  6. Step 6: Final answer
    x = 539,791,366.86

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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.