Home / 512,489,194-769,960,170.48-328,616,917.48

Finding the Fourth Proportional to 512,489,194, 769,960,170.48 and 328,616,917.48

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Solution

The fourth proportional to 512,489,194, 769,960,170.48 and 328,616,917.48 is: 493,711,751.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,489,194 : 769,960,170.48 = 328,616,917.48 : x
  2. Step 2: Convert to fraction form
    512,489,194/769,960,170.48 = 328,616,917.48/x
  3. Step 3: Cross multiply
    512,489,194x = 769,960,170.48 × 328,616,917.48
  4. Step 4: Simplify right side
    512,489,194x = 253,021,937,805,512,928
  5. Step 5: Solve for x
    x = 253,021,937,805,512,928/512,489,194
  6. Step 6: Final answer
    x = 493,711,751.91

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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.