Home / 663,491,867.16-995,234,248.02-172,204,777.56

Finding the Fourth Proportional to 663,491,867.16, 995,234,248.02 and 172,204,777.56

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Solution

The fourth proportional to 663,491,867.16, 995,234,248.02 and 172,204,777.56 is: 258,306,244.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,491,867.16 : 995,234,248.02 = 172,204,777.56 : x
  2. Step 2: Convert to fraction form
    663,491,867.16/995,234,248.02 = 172,204,777.56/x
  3. Step 3: Cross multiply
    663,491,867.16x = 995,234,248.02 × 172,204,777.56
  4. Step 4: Simplify right side
    663,491,867.16x = 171,384,092,300,377,984
  5. Step 5: Solve for x
    x = 171,384,092,300,377,984/663,491,867.16
  6. Step 6: Final answer
    x = 258,306,244.26

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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.