Home / 22,801,053,519.68-31,465,453,175.33-12,639,755,640.21

Finding the Fourth Proportional to 22,801,053,519.68, 31,465,453,175.33 and 12,639,755,640.21

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Solution

The fourth proportional to 22,801,053,519.68, 31,465,453,175.33 and 12,639,755,640.21 is: 17,442,862,405.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,801,053,519.68 : 31,465,453,175.33 = 12,639,755,640.21 : x
  2. Step 2: Convert to fraction form
    22,801,053,519.68/31,465,453,175.33 = 12,639,755,640.21/x
  3. Step 3: Cross multiply
    22,801,053,519.68x = 31,465,453,175.33 × 12,639,755,640.21
  4. Step 4: Simplify right side
    22,801,053,519.68x = 397,715,639,244,577,832,960
  5. Step 5: Solve for x
    x = 397,715,639,244,577,832,960/22,801,053,519.68
  6. Step 6: Final answer
    x = 17,442,862,405.52

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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.