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Finding the Fourth Proportional to 221,993,902.70, 332,990,854.06 and 221,993,902.70

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Solution

The fourth proportional to 221,993,902.70, 332,990,854.06 and 221,993,902.70 is: 332,990,854.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,993,902.70 : 332,990,854.06 = 221,993,902.70 : x
  2. Step 2: Convert to fraction form
    221,993,902.70/332,990,854.06 = 221,993,902.70/x
  3. Step 3: Cross multiply
    221,993,902.70x = 332,990,854.06 × 221,993,902.70
  4. Step 4: Simplify right side
    221,993,902.70x = 73,921,939,256,185,536
  5. Step 5: Solve for x
    x = 73,921,939,256,185,536/221,993,902.70
  6. Step 6: Final answer
    x = 332,990,854.06

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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.