Home / 417,346,431.80-625,770,815.70-255,904,230.20

Finding the Fourth Proportional to 417,346,431.80, 625,770,815.70 and 255,904,230.20

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Solution

The fourth proportional to 417,346,431.80, 625,770,815.70 and 255,904,230.20 is: 383,703,769.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,346,431.80 : 625,770,815.70 = 255,904,230.20 : x
  2. Step 2: Convert to fraction form
    417,346,431.80/625,770,815.70 = 255,904,230.20/x
  3. Step 3: Cross multiply
    417,346,431.80x = 625,770,815.70 × 255,904,230.20
  4. Step 4: Simplify right side
    417,346,431.80x = 160,137,398,873,334,592
  5. Step 5: Solve for x
    x = 160,137,398,873,334,592/417,346,431.80
  6. Step 6: Final answer
    x = 383,703,769.03

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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.