Home / 781,782,922.24-1,172,673,715.20-199,517,122.24

Finding the Fourth Proportional to 781,782,922.24, 1,172,673,715.20 and 199,517,122.24

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Solution

The fourth proportional to 781,782,922.24, 1,172,673,715.20 and 199,517,122.24 is: 299,275,512.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,782,922.24 : 1,172,673,715.20 = 199,517,122.24 : x
  2. Step 2: Convert to fraction form
    781,782,922.24/1,172,673,715.20 = 199,517,122.24/x
  3. Step 3: Cross multiply
    781,782,922.24x = 1,172,673,715.20 × 199,517,122.24
  4. Step 4: Simplify right side
    781,782,922.24x = 233,968,484,983,193,376
  5. Step 5: Solve for x
    x = 233,968,484,983,193,376/781,782,922.24
  6. Step 6: Final answer
    x = 299,275,512.84

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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.