Home / 417,199,052.20-625,795,467.90-126,065,612.20

Finding the Fourth Proportional to 417,199,052.20, 625,795,467.90 and 126,065,612.20

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Solution

The fourth proportional to 417,199,052.20, 625,795,467.90 and 126,065,612.20 is: 189,097,478.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,199,052.20 : 625,795,467.90 = 126,065,612.20 : x
  2. Step 2: Convert to fraction form
    417,199,052.20/625,795,467.90 = 126,065,612.20/x
  3. Step 3: Cross multiply
    417,199,052.20x = 625,795,467.90 × 126,065,612.20
  4. Step 4: Simplify right side
    417,199,052.20x = 78,891,288,772,798,944
  5. Step 5: Solve for x
    x = 78,891,288,772,798,944/417,199,052.20
  6. Step 6: Final answer
    x = 189,097,478.43

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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.