Home / 453,098,948.96-679,375,062.24-172,998,153.92

Finding the Fourth Proportional to 453,098,948.96, 679,375,062.24 and 172,998,153.92

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Solution

The fourth proportional to 453,098,948.96, 679,375,062.24 and 172,998,153.92 is: 259,392,858.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,098,948.96 : 679,375,062.24 = 172,998,153.92 : x
  2. Step 2: Convert to fraction form
    453,098,948.96/679,375,062.24 = 172,998,153.92/x
  3. Step 3: Cross multiply
    453,098,948.96x = 679,375,062.24 × 172,998,153.92
  4. Step 4: Simplify right side
    453,098,948.96x = 117,530,631,586,805,088
  5. Step 5: Solve for x
    x = 117,530,631,586,805,088/453,098,948.96
  6. Step 6: Final answer
    x = 259,392,858.57

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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.