Home / 21,889,695,001.78-30,206,969,804.37-11,864,974,634.74

Finding the Fourth Proportional to 21,889,695,001.78, 30,206,969,804.37 and 11,864,974,634.74

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Solution

The fourth proportional to 21,889,695,001.78, 30,206,969,804.37 and 11,864,974,634.74 is: 16,373,226,328.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,889,695,001.78 : 30,206,969,804.37 = 11,864,974,634.74 : x
  2. Step 2: Convert to fraction form
    21,889,695,001.78/30,206,969,804.37 = 11,864,974,634.74/x
  3. Step 3: Cross multiply
    21,889,695,001.78x = 30,206,969,804.37 × 11,864,974,634.74
  4. Step 4: Simplify right side
    21,889,695,001.78x = 358,404,930,521,207,144,448
  5. Step 5: Solve for x
    x = 358,404,930,521,207,144,448/21,889,695,001.78
  6. Step 6: Final answer
    x = 16,373,226,328.28

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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.