Home / 20,278,874,176.76-27,981,146,101.03-11,702,171,913.33

Finding the Fourth Proportional to 20,278,874,176.76, 27,981,146,101.03 and 11,702,171,913.33

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Solution

The fourth proportional to 20,278,874,176.76, 27,981,146,101.03 and 11,702,171,913.33 is: 16,146,861,958.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,278,874,176.76 : 27,981,146,101.03 = 11,702,171,913.33 : x
  2. Step 2: Convert to fraction form
    20,278,874,176.76/27,981,146,101.03 = 11,702,171,913.33/x
  3. Step 3: Cross multiply
    20,278,874,176.76x = 27,981,146,101.03 × 11,702,171,913.33
  4. Step 4: Simplify right side
    20,278,874,176.76x = 327,440,182,006,317,056,000
  5. Step 5: Solve for x
    x = 327,440,182,006,317,056,000/20,278,874,176.76
  6. Step 6: Final answer
    x = 16,146,861,958.52

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1.5x scale

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.