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Finding the Fourth Proportional to 2,858,754,914.40, 4,279,062,445.20 and 2,858,754,914.40

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Solution

The fourth proportional to 2,858,754,914.40, 4,279,062,445.20 and 2,858,754,914.40 is: 4,279,062,445.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,858,754,914.40 : 4,279,062,445.20 = 2,858,754,914.40 : x
  2. Step 2: Convert to fraction form
    2,858,754,914.40/4,279,062,445.20 = 2,858,754,914.40/x
  3. Step 3: Cross multiply
    2,858,754,914.40x = 4,279,062,445.20 × 2,858,754,914.40
  4. Step 4: Simplify right side
    2,858,754,914.40x = 12,232,790,794,239,981,568
  5. Step 5: Solve for x
    x = 12,232,790,794,239,981,568/2,858,754,914.40
  6. Step 6: Final answer
    x = 4,279,062,445.20

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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.