Home / 393,198,301,441.24-589,824,087,330.89-138,196,682,754.61

Finding the Fourth Proportional to 393,198,301,441.24, 589,824,087,330.89 and 138,196,682,754.61

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Solution

The fourth proportional to 393,198,301,441.24, 589,824,087,330.89 and 138,196,682,754.61 is: 207,304,385,545.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,198,301,441.24 : 589,824,087,330.89 = 138,196,682,754.61 : x
  2. Step 2: Convert to fraction form
    393,198,301,441.24/589,824,087,330.89 = 138,196,682,754.61/x
  3. Step 3: Cross multiply
    393,198,301,441.24x = 589,824,087,330.89 × 138,196,682,754.61
  4. Step 4: Simplify right side
    393,198,301,441.24x = 81,511,732,277,894,386,286,592
  5. Step 5: Solve for x
    x = 81,511,732,277,894,386,286,592/393,198,301,441.24
  6. Step 6: Final answer
    x = 207,304,385,545.71

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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.