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Finding the Fourth Proportional to 483,894,517.80, 725,844,401.10 and 120,388,873.80

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Solution

The fourth proportional to 483,894,517.80, 725,844,401.10 and 120,388,873.80 is: 180,583,963.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,894,517.80 : 725,844,401.10 = 120,388,873.80 : x
  2. Step 2: Convert to fraction form
    483,894,517.80/725,844,401.10 = 120,388,873.80/x
  3. Step 3: Cross multiply
    483,894,517.80x = 725,844,401.10 × 120,388,873.80
  4. Step 4: Simplify right side
    483,894,517.80x = 87,383,590,002,464,480
  5. Step 5: Solve for x
    x = 87,383,590,002,464,480/483,894,517.80
  6. Step 6: Final answer
    x = 180,583,963.63

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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.