Home / 417,199,053.20-625,795,469.40-126,065,613.20

Finding the Fourth Proportional to 417,199,053.20, 625,795,469.40 and 126,065,613.20

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Solution

The fourth proportional to 417,199,053.20, 625,795,469.40 and 126,065,613.20 is: 189,097,479.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,199,053.20 : 625,795,469.40 = 126,065,613.20 : x
  2. Step 2: Convert to fraction form
    417,199,053.20/625,795,469.40 = 126,065,613.20/x
  3. Step 3: Cross multiply
    417,199,053.20x = 625,795,469.40 × 126,065,613.20
  4. Step 4: Simplify right side
    417,199,053.20x = 78,891,289,587,692,832
  5. Step 5: Solve for x
    x = 78,891,289,587,692,832/417,199,053.20
  6. Step 6: Final answer
    x = 189,097,479.93

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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.