Home / 20,278,874,172.26-27,981,146,094.82-11,702,171,908.83

Finding the Fourth Proportional to 20,278,874,172.26, 27,981,146,094.82 and 11,702,171,908.83

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Solution

The fourth proportional to 20,278,874,172.26, 27,981,146,094.82 and 11,702,171,908.83 is: 16,146,861,952.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,278,874,172.26 : 27,981,146,094.82 = 11,702,171,908.83 : x
  2. Step 2: Convert to fraction form
    20,278,874,172.26/27,981,146,094.82 = 11,702,171,908.83/x
  3. Step 3: Cross multiply
    20,278,874,172.26x = 27,981,146,094.82 × 11,702,171,908.83
  4. Step 4: Simplify right side
    20,278,874,172.26x = 327,440,181,807,731,441,664
  5. Step 5: Solve for x
    x = 327,440,181,807,731,441,664/20,278,874,172.26
  6. Step 6: Final answer
    x = 16,146,861,952.31

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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.