Home / 512,489,183.06-769,960,153.96-328,616,906.54

Finding the Fourth Proportional to 512,489,183.06, 769,960,153.96 and 328,616,906.54

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Solution

The fourth proportional to 512,489,183.06, 769,960,153.96 and 328,616,906.54 is: 493,711,735.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,489,183.06 : 769,960,153.96 = 328,616,906.54 : x
  2. Step 2: Convert to fraction form
    512,489,183.06/769,960,153.96 = 328,616,906.54/x
  3. Step 3: Cross multiply
    512,489,183.06x = 769,960,153.96 × 328,616,906.54
  4. Step 4: Simplify right side
    512,489,183.06x = 253,021,923,953,397,344
  5. Step 5: Solve for x
    x = 253,021,923,953,397,344/512,489,183.06
  6. Step 6: Final answer
    x = 493,711,735.42

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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.