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Finding the Fourth Proportional to 45,493,488,000.40, 68,117,787,994.20 and 45,493,488,000.40

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Solution

The fourth proportional to 45,493,488,000.40, 68,117,787,994.20 and 45,493,488,000.40 is: 68,117,787,994.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,493,488,000.40 : 68,117,787,994.20 = 45,493,488,000.40 : x
  2. Step 2: Convert to fraction form
    45,493,488,000.40/68,117,787,994.20 = 45,493,488,000.40/x
  3. Step 3: Cross multiply
    45,493,488,000.40x = 68,117,787,994.20 × 45,493,488,000.40
  4. Step 4: Simplify right side
    45,493,488,000.40x = 3,098,915,770,727,928,954,880
  5. Step 5: Solve for x
    x = 3,098,915,770,727,928,954,880/45,493,488,000.40
  6. Step 6: Final answer
    x = 68,117,787,994.20

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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.