Home / 20,240,216,589.76-30,320,785,635.36-13,943,533,560.64

Finding the Fourth Proportional to 20,240,216,589.76, 30,320,785,635.36 and 13,943,533,560.64

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Solution

The fourth proportional to 20,240,216,589.76, 30,320,785,635.36 and 13,943,533,560.64 is: 20,888,061,657.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,240,216,589.76 : 30,320,785,635.36 = 13,943,533,560.64 : x
  2. Step 2: Convert to fraction form
    20,240,216,589.76/30,320,785,635.36 = 13,943,533,560.64/x
  3. Step 3: Cross multiply
    20,240,216,589.76x = 30,320,785,635.36 × 13,943,533,560.64
  4. Step 4: Simplify right side
    20,240,216,589.76x = 422,778,892,091,613,380,608
  5. Step 5: Solve for x
    x = 422,778,892,091,613,380,608/20,240,216,589.76
  6. Step 6: Final answer
    x = 20,888,061,657.68

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.