Home / 629,857,537.80-945,794,076.30-426,288,078.60

Finding the Fourth Proportional to 629,857,537.80, 945,794,076.30 and 426,288,078.60

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Solution

The fourth proportional to 629,857,537.80, 945,794,076.30 and 426,288,078.60 is: 640,114,177.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,857,537.80 : 945,794,076.30 = 426,288,078.60 : x
  2. Step 2: Convert to fraction form
    629,857,537.80/945,794,076.30 = 426,288,078.60/x
  3. Step 3: Cross multiply
    629,857,537.80x = 945,794,076.30 × 426,288,078.60
  4. Step 4: Simplify right side
    629,857,537.80x = 403,180,739,537,188,800
  5. Step 5: Solve for x
    x = 403,180,739,537,188,800/629,857,537.80
  6. Step 6: Final answer
    x = 640,114,177.16

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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.