Home / 20,278,874,177.76-27,981,146,102.41-11,702,171,914.33

Finding the Fourth Proportional to 20,278,874,177.76, 27,981,146,102.41 and 11,702,171,914.33

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Solution

The fourth proportional to 20,278,874,177.76, 27,981,146,102.41 and 11,702,171,914.33 is: 16,146,861,959.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,278,874,177.76 : 27,981,146,102.41 = 11,702,171,914.33 : x
  2. Step 2: Convert to fraction form
    20,278,874,177.76/27,981,146,102.41 = 11,702,171,914.33/x
  3. Step 3: Cross multiply
    20,278,874,177.76x = 27,981,146,102.41 × 11,702,171,914.33
  4. Step 4: Simplify right side
    20,278,874,177.76x = 327,440,182,050,386,673,664
  5. Step 5: Solve for x
    x = 327,440,182,050,386,673,664/20,278,874,177.76
  6. Step 6: Final answer
    x = 16,146,861,959.90

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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.