Home / 5,129,195,191.20-7,693,792,786.80-3,496,608,439.20

Finding the Fourth Proportional to 5,129,195,191.20, 7,693,792,786.80 and 3,496,608,439.20

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Solution

The fourth proportional to 5,129,195,191.20, 7,693,792,786.80 and 3,496,608,439.20 is: 5,244,912,658.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,129,195,191.20 : 7,693,792,786.80 = 3,496,608,439.20 : x
  2. Step 2: Convert to fraction form
    5,129,195,191.20/7,693,792,786.80 = 3,496,608,439.20/x
  3. Step 3: Cross multiply
    5,129,195,191.20x = 7,693,792,786.80 × 3,496,608,439.20
  4. Step 4: Simplify right side
    5,129,195,191.20x = 26,902,180,787,780,964,352
  5. Step 5: Solve for x
    x = 26,902,180,787,780,964,352/5,129,195,191.20
  6. Step 6: Final answer
    x = 5,244,912,658.80

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Double scale
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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.