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Finding the Fourth Proportional to 223,788,793.13, 306,591,757.88 and 215,401,303.49

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Solution

The fourth proportional to 223,788,793.13, 306,591,757.88 and 215,401,303.49 is: 295,100,855.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,788,793.13 : 306,591,757.88 = 215,401,303.49 : x
  2. Step 2: Convert to fraction form
    223,788,793.13/306,591,757.88 = 215,401,303.49/x
  3. Step 3: Cross multiply
    223,788,793.13x = 306,591,757.88 × 215,401,303.49
  4. Step 4: Simplify right side
    223,788,793.13x = 66,040,264,285,648,024
  5. Step 5: Solve for x
    x = 66,040,264,285,648,024/223,788,793.13
  6. Step 6: Final answer
    x = 295,100,855.42

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.