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Finding the Fourth Proportional to 332,787,643.80, 498,224,871.90 and 203,647,480.80

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Solution

The fourth proportional to 332,787,643.80, 498,224,871.90 and 203,647,480.80 is: 304,885,839.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,787,643.80 : 498,224,871.90 = 203,647,480.80 : x
  2. Step 2: Convert to fraction form
    332,787,643.80/498,224,871.90 = 203,647,480.80/x
  3. Step 3: Cross multiply
    332,787,643.80x = 498,224,871.90 × 203,647,480.80
  4. Step 4: Simplify right side
    332,787,643.80x = 101,462,240,034,337,712
  5. Step 5: Solve for x
    x = 101,462,240,034,337,712/332,787,643.80
  6. Step 6: Final answer
    x = 304,885,839.14

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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.