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Finding the Fourth Proportional to 225,754,597.40, 338,631,896.10 and 202,078,900.85

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Solution

The fourth proportional to 225,754,597.40, 338,631,896.10 and 202,078,900.85 is: 303,118,351.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,754,597.40 : 338,631,896.10 = 202,078,900.85 : x
  2. Step 2: Convert to fraction form
    225,754,597.40/338,631,896.10 = 202,078,900.85/x
  3. Step 3: Cross multiply
    225,754,597.40x = 338,631,896.10 × 202,078,900.85
  4. Step 4: Simplify right side
    225,754,597.40x = 68,430,361,356,639,408
  5. Step 5: Solve for x
    x = 68,430,361,356,639,408/225,754,597.40
  6. Step 6: Final answer
    x = 303,118,351.28

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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.