Home / 629,857,546.80-945,794,089.80-426,288,087.60

Finding the Fourth Proportional to 629,857,546.80, 945,794,089.80 and 426,288,087.60

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Solution

The fourth proportional to 629,857,546.80, 945,794,089.80 and 426,288,087.60 is: 640,114,190.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,857,546.80 : 945,794,089.80 = 426,288,087.60 : x
  2. Step 2: Convert to fraction form
    629,857,546.80/945,794,089.80 = 426,288,087.60/x
  3. Step 3: Cross multiply
    629,857,546.80x = 945,794,089.80 × 426,288,087.60
  4. Step 4: Simplify right side
    629,857,546.80x = 403,180,753,804,224,640
  5. Step 5: Solve for x
    x = 403,180,753,804,224,640/629,857,546.80
  6. Step 6: Final answer
    x = 640,114,190.67

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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.