Home / 269,503,321.65-403,499,155.28-261,945,049.65

Finding the Fourth Proportional to 269,503,321.65, 403,499,155.28 and 261,945,049.65

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Solution

The fourth proportional to 269,503,321.65, 403,499,155.28 and 261,945,049.65 is: 392,182,944.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,503,321.65 : 403,499,155.28 = 261,945,049.65 : x
  2. Step 2: Convert to fraction form
    269,503,321.65/403,499,155.28 = 261,945,049.65/x
  3. Step 3: Cross multiply
    269,503,321.65x = 403,499,155.28 × 261,945,049.65
  4. Step 4: Simplify right side
    269,503,321.65x = 105,694,606,262,242,928
  5. Step 5: Solve for x
    x = 105,694,606,262,242,928/269,503,321.65
  6. Step 6: Final answer
    x = 392,182,944.59

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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.