Home / 679,952,696.20-1,019,929,044.30-219,937,366.60

Finding the Fourth Proportional to 679,952,696.20, 1,019,929,044.30 and 219,937,366.60

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Solution

The fourth proportional to 679,952,696.20, 1,019,929,044.30 and 219,937,366.60 is: 329,906,049.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,952,696.20 : 1,019,929,044.30 = 219,937,366.60 : x
  2. Step 2: Convert to fraction form
    679,952,696.20/1,019,929,044.30 = 219,937,366.60/x
  3. Step 3: Cross multiply
    679,952,696.20x = 1,019,929,044.30 × 219,937,366.60
  4. Step 4: Simplify right side
    679,952,696.20x = 224,320,508,122,196,736
  5. Step 5: Solve for x
    x = 224,320,508,122,196,736/679,952,696.20
  6. Step 6: Final answer
    x = 329,906,049.90

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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.