Home / 417,346,432.80-625,770,817.20-255,904,231.20

Finding the Fourth Proportional to 417,346,432.80, 625,770,817.20 and 255,904,231.20

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Solution

The fourth proportional to 417,346,432.80, 625,770,817.20 and 255,904,231.20 is: 383,703,770.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,346,432.80 : 625,770,817.20 = 255,904,231.20 : x
  2. Step 2: Convert to fraction form
    417,346,432.80/625,770,817.20 = 255,904,231.20/x
  3. Step 3: Cross multiply
    417,346,432.80x = 625,770,817.20 × 255,904,231.20
  4. Step 4: Simplify right side
    417,346,432.80x = 160,137,399,882,961,728
  5. Step 5: Solve for x
    x = 160,137,399,882,961,728/417,346,432.80
  6. Step 6: Final answer
    x = 383,703,770.53

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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.