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Finding the Fourth Proportional to 3,614,571,211.20, 5,421,856,816.80 and 3,614,571,211.20

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Solution

The fourth proportional to 3,614,571,211.20, 5,421,856,816.80 and 3,614,571,211.20 is: 5,421,856,816.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,614,571,211.20 : 5,421,856,816.80 = 3,614,571,211.20 : x
  2. Step 2: Convert to fraction form
    3,614,571,211.20/5,421,856,816.80 = 3,614,571,211.20/x
  3. Step 3: Cross multiply
    3,614,571,211.20x = 5,421,856,816.80 × 3,614,571,211.20
  4. Step 4: Simplify right side
    3,614,571,211.20x = 19,597,687,561,253,752,832
  5. Step 5: Solve for x
    x = 19,597,687,561,253,752,832/3,614,571,211.20
  6. Step 6: Final answer
    x = 5,421,856,816.80

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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.