Home / 791,954,195.52-1,187,976,690.24-209,673,310.52

Finding the Fourth Proportional to 791,954,195.52, 1,187,976,690.24 and 209,673,310.52

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Solution

The fourth proportional to 791,954,195.52, 1,187,976,690.24 and 209,673,310.52 is: 314,521,984.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,954,195.52 : 1,187,976,690.24 = 209,673,310.52 : x
  2. Step 2: Convert to fraction form
    791,954,195.52/1,187,976,690.24 = 209,673,310.52/x
  3. Step 3: Cross multiply
    791,954,195.52x = 1,187,976,690.24 × 209,673,310.52
  4. Step 4: Simplify right side
    791,954,195.52x = 249,087,005,463,213,376
  5. Step 5: Solve for x
    x = 249,087,005,463,213,376/791,954,195.52
  6. Step 6: Final answer
    x = 314,521,984.82

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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.