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Finding the Fourth Proportional to 4,782,969,793.80, 7,161,540,674.40 and 4,782,969,793.80

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Solution

The fourth proportional to 4,782,969,793.80, 7,161,540,674.40 and 4,782,969,793.80 is: 7,161,540,674.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,782,969,793.80 : 7,161,540,674.40 = 4,782,969,793.80 : x
  2. Step 2: Convert to fraction form
    4,782,969,793.80/7,161,540,674.40 = 4,782,969,793.80/x
  3. Step 3: Cross multiply
    4,782,969,793.80x = 7,161,540,674.40 × 4,782,969,793.80
  4. Step 4: Simplify right side
    4,782,969,793.80x = 34,253,432,722,725,281,792
  5. Step 5: Solve for x
    x = 34,253,432,722,725,281,792/4,782,969,793.80
  6. Step 6: Final answer
    x = 7,161,540,674.40

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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.