Home / 21,889,695,003.78-30,206,969,807.13-11,864,974,636.74

Finding the Fourth Proportional to 21,889,695,003.78, 30,206,969,807.13 and 11,864,974,636.74

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Solution

The fourth proportional to 21,889,695,003.78, 30,206,969,807.13 and 11,864,974,636.74 is: 16,373,226,331.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,889,695,003.78 : 30,206,969,807.13 = 11,864,974,636.74 : x
  2. Step 2: Convert to fraction form
    21,889,695,003.78/30,206,969,807.13 = 11,864,974,636.74/x
  3. Step 3: Cross multiply
    21,889,695,003.78x = 30,206,969,807.13 × 11,864,974,636.74
  4. Step 4: Simplify right side
    21,889,695,003.78x = 358,404,930,614,368,403,456
  5. Step 5: Solve for x
    x = 358,404,930,614,368,403,456/21,889,695,003.78
  6. Step 6: Final answer
    x = 16,373,226,331.04

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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.