Home / 28,001,471,467.01-38,639,694,639.76-15,793,503,844.95

Finding the Fourth Proportional to 28,001,471,467.01, 38,639,694,639.76 and 15,793,503,844.95

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Solution

The fourth proportional to 28,001,471,467.01, 38,639,694,639.76 and 15,793,503,844.95 is: 21,793,717,754.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,001,471,467.01 : 38,639,694,639.76 = 15,793,503,844.95 : x
  2. Step 2: Convert to fraction form
    28,001,471,467.01/38,639,694,639.76 = 15,793,503,844.95/x
  3. Step 3: Cross multiply
    28,001,471,467.01x = 38,639,694,639.76 × 15,793,503,844.95
  4. Step 4: Simplify right side
    28,001,471,467.01x = 610,256,165,860,696,129,536
  5. Step 5: Solve for x
    x = 610,256,165,860,696,129,536/28,001,471,467.01
  6. Step 6: Final answer
    x = 21,793,717,754.43

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Double scale
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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.