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Finding the Fourth Proportional to 3,969,397,712.20, 5,954,096,568.30 and 3,969,397,712.20

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Solution

The fourth proportional to 3,969,397,712.20, 5,954,096,568.30 and 3,969,397,712.20 is: 5,954,096,568.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,969,397,712.20 : 5,954,096,568.30 = 3,969,397,712.20 : x
  2. Step 2: Convert to fraction form
    3,969,397,712.20/5,954,096,568.30 = 3,969,397,712.20/x
  3. Step 3: Cross multiply
    3,969,397,712.20x = 5,954,096,568.30 × 3,969,397,712.20
  4. Step 4: Simplify right side
    3,969,397,712.20x = 23,634,177,296,427,888,640
  5. Step 5: Solve for x
    x = 23,634,177,296,427,888,640/3,969,397,712.20
  6. Step 6: Final answer
    x = 5,954,096,568.30

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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.