Home / 21,889,694,999.28-30,206,969,800.92-11,864,974,632.24

Finding the Fourth Proportional to 21,889,694,999.28, 30,206,969,800.92 and 11,864,974,632.24

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Solution

The fourth proportional to 21,889,694,999.28, 30,206,969,800.92 and 11,864,974,632.24 is: 16,373,226,324.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,889,694,999.28 : 30,206,969,800.92 = 11,864,974,632.24 : x
  2. Step 2: Convert to fraction form
    21,889,694,999.28/30,206,969,800.92 = 11,864,974,632.24/x
  3. Step 3: Cross multiply
    21,889,694,999.28x = 30,206,969,800.92 × 11,864,974,632.24
  4. Step 4: Simplify right side
    21,889,694,999.28x = 358,404,930,404,755,505,152
  5. Step 5: Solve for x
    x = 358,404,930,404,755,505,152/21,889,694,999.28
  6. Step 6: Final answer
    x = 16,373,226,324.83

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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.