Home / 386,229,936.44-532,932,696-227,491,665.17

Finding the Fourth Proportional to 386,229,936.44, 532,932,696 and 227,491,665.17

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Solution

The fourth proportional to 386,229,936.44, 532,932,696 and 227,491,665.17 is: 313,900,438.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,229,936.44 : 532,932,696 = 227,491,665.17 : x
  2. Step 2: Convert to fraction form
    386,229,936.44/532,932,696 = 227,491,665.17/x
  3. Step 3: Cross multiply
    386,229,936.44x = 532,932,696 × 227,491,665.17
  4. Step 4: Simplify right side
    386,229,936.44x = 121,237,746,433,912,736
  5. Step 5: Solve for x
    x = 121,237,746,433,912,736/386,229,936.44
  6. Step 6: Final answer
    x = 313,900,438.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.