Home / 327,629,805.15-491,444,707.73-155,442,921.15

Finding the Fourth Proportional to 327,629,805.15, 491,444,707.73 and 155,442,921.15

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Solution

The fourth proportional to 327,629,805.15, 491,444,707.73 and 155,442,921.15 is: 233,164,381.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,629,805.15 : 491,444,707.73 = 155,442,921.15 : x
  2. Step 2: Convert to fraction form
    327,629,805.15/491,444,707.73 = 155,442,921.15/x
  3. Step 3: Cross multiply
    327,629,805.15x = 491,444,707.73 × 155,442,921.15
  4. Step 4: Simplify right side
    327,629,805.15x = 76,391,600,952,481,984
  5. Step 5: Solve for x
    x = 76,391,600,952,481,984/327,629,805.15
  6. Step 6: Final answer
    x = 233,164,381.73

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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.