Home / 36,121,496,467.52-49,836,419,236.08-20,874,033,446.56

Finding the Fourth Proportional to 36,121,496,467.52, 49,836,419,236.08 and 20,874,033,446.56

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Solution

The fourth proportional to 36,121,496,467.52, 49,836,419,236.08 and 20,874,033,446.56 is: 28,799,667,337.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,121,496,467.52 : 49,836,419,236.08 = 20,874,033,446.56 : x
  2. Step 2: Convert to fraction form
    36,121,496,467.52/49,836,419,236.08 = 20,874,033,446.56/x
  3. Step 3: Cross multiply
    36,121,496,467.52x = 49,836,419,236.08 × 20,874,033,446.56
  4. Step 4: Simplify right side
    36,121,496,467.52x = 1,040,287,081,990,615,728,128
  5. Step 5: Solve for x
    x = 1,040,287,081,990,615,728,128/36,121,496,467.52
  6. Step 6: Final answer
    x = 28,799,667,337.32

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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.