Home / 327,857,560.40-491,646,354.68-189,778,476.56

Finding the Fourth Proportional to 327,857,560.40, 491,646,354.68 and 189,778,476.56

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Solution

The fourth proportional to 327,857,560.40, 491,646,354.68 and 189,778,476.56 is: 284,586,684.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,857,560.40 : 491,646,354.68 = 189,778,476.56 : x
  2. Step 2: Convert to fraction form
    327,857,560.40/491,646,354.68 = 189,778,476.56/x
  3. Step 3: Cross multiply
    327,857,560.40x = 491,646,354.68 × 189,778,476.56
  4. Step 4: Simplify right side
    327,857,560.40x = 93,303,896,195,464,048
  5. Step 5: Solve for x
    x = 93,303,896,195,464,048/327,857,560.40
  6. Step 6: Final answer
    x = 284,586,684.78

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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.