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Finding the Fourth Proportional to 800,928,052.60, 1,201,392,078.90 and 800,928,052.60

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Solution

The fourth proportional to 800,928,052.60, 1,201,392,078.90 and 800,928,052.60 is: 1,201,392,078.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,928,052.60 : 1,201,392,078.90 = 800,928,052.60 : x
  2. Step 2: Convert to fraction form
    800,928,052.60/1,201,392,078.90 = 800,928,052.60/x
  3. Step 3: Cross multiply
    800,928,052.60x = 1,201,392,078.90 × 800,928,052.60
  4. Step 4: Simplify right side
    800,928,052.60x = 962,228,618,162,442,624
  5. Step 5: Solve for x
    x = 962,228,618,162,442,624/800,928,052.60
  6. Step 6: Final answer
    x = 1,201,392,078.90

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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.