Home / 3,860,320,304.88-5,787,836,960.68-1,965,849,320.84

Finding the Fourth Proportional to 3,860,320,304.88, 5,787,836,960.68 and 1,965,849,320.84

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Solution

The fourth proportional to 3,860,320,304.88, 5,787,836,960.68 and 1,965,849,320.84 is: 2,947,427,793.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860,320,304.88 : 5,787,836,960.68 = 1,965,849,320.84 : x
  2. Step 2: Convert to fraction form
    3,860,320,304.88/5,787,836,960.68 = 1,965,849,320.84/x
  3. Step 3: Cross multiply
    3,860,320,304.88x = 5,787,836,960.68 × 1,965,849,320.84
  4. Step 4: Simplify right side
    3,860,320,304.88x = 11,378,015,358,285,428,736
  5. Step 5: Solve for x
    x = 11,378,015,358,285,428,736/3,860,320,304.88
  6. Step 6: Final answer
    x = 2,947,427,793.47

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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.