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Finding the Fourth Proportional to 725,162,562.40, 1,087,743,843.60 and 725,162,562.40

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Solution

The fourth proportional to 725,162,562.40, 1,087,743,843.60 and 725,162,562.40 is: 1,087,743,843.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,162,562.40 : 1,087,743,843.60 = 725,162,562.40 : x
  2. Step 2: Convert to fraction form
    725,162,562.40/1,087,743,843.60 = 725,162,562.40/x
  3. Step 3: Cross multiply
    725,162,562.40x = 1,087,743,843.60 × 725,162,562.40
  4. Step 4: Simplify right side
    725,162,562.40x = 788,791,112,859,800,704
  5. Step 5: Solve for x
    x = 788,791,112,859,800,704/725,162,562.40
  6. Step 6: Final answer
    x = 1,087,743,843.60

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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.