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Finding the Fourth Proportional to 8,073,115,280.55, 12,109,672,920.83 and 8,073,115,280.55

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Solution

The fourth proportional to 8,073,115,280.55, 12,109,672,920.83 and 8,073,115,280.55 is: 12,109,672,920.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,073,115,280.55 : 12,109,672,920.83 = 8,073,115,280.55 : x
  2. Step 2: Convert to fraction form
    8,073,115,280.55/12,109,672,920.83 = 8,073,115,280.55/x
  3. Step 3: Cross multiply
    8,073,115,280.55x = 12,109,672,920.83 × 8,073,115,280.55
  4. Step 4: Simplify right side
    8,073,115,280.55x = 97,762,785,499,574,861,824
  5. Step 5: Solve for x
    x = 97,762,785,499,574,861,824/8,073,115,280.55
  6. Step 6: Final answer
    x = 12,109,672,920.83

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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.