Home / 663,491,866.16-995,234,246.52-172,204,776.56

Finding the Fourth Proportional to 663,491,866.16, 995,234,246.52 and 172,204,776.56

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Solution

The fourth proportional to 663,491,866.16, 995,234,246.52 and 172,204,776.56 is: 258,306,242.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,491,866.16 : 995,234,246.52 = 172,204,776.56 : x
  2. Step 2: Convert to fraction form
    663,491,866.16/995,234,246.52 = 172,204,776.56/x
  3. Step 3: Cross multiply
    663,491,866.16x = 995,234,246.52 × 172,204,776.56
  4. Step 4: Simplify right side
    663,491,866.16x = 171,384,091,046,836,544
  5. Step 5: Solve for x
    x = 171,384,091,046,836,544/663,491,866.16
  6. Step 6: Final answer
    x = 258,306,242.76

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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.