Home / 22,720,455,251.38-31,353,626,797.41-12,696,032,471.86

Finding the Fourth Proportional to 22,720,455,251.38, 31,353,626,797.41 and 12,696,032,471.86

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Solution

The fourth proportional to 22,720,455,251.38, 31,353,626,797.41 and 12,696,032,471.86 is: 17,520,188,725.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,720,455,251.38 : 31,353,626,797.41 = 12,696,032,471.86 : x
  2. Step 2: Convert to fraction form
    22,720,455,251.38/31,353,626,797.41 = 12,696,032,471.86/x
  3. Step 3: Cross multiply
    22,720,455,251.38x = 31,353,626,797.41 × 12,696,032,471.86
  4. Step 4: Simplify right side
    22,720,455,251.38x = 398,066,663,930,497,204,224
  5. Step 5: Solve for x
    x = 398,066,663,930,497,204,224/22,720,455,251.38
  6. Step 6: Final answer
    x = 17,520,188,725.37

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Double scale
Find fourth proportional to 22,720,455,252.38, 31,353,626,798.79 and 12,696,032,472.86
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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.