Home / 5,321,267,145.44-7,982,694,401.04-1,959,579,640.42

Finding the Fourth Proportional to 5,321,267,145.44, 7,982,694,401.04 and 1,959,579,640.42

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Solution

The fourth proportional to 5,321,267,145.44, 7,982,694,401.04 and 1,959,579,640.42 is: 2,939,661,737.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,321,267,145.44 : 7,982,694,401.04 = 1,959,579,640.42 : x
  2. Step 2: Convert to fraction form
    5,321,267,145.44/7,982,694,401.04 = 1,959,579,640.42/x
  3. Step 3: Cross multiply
    5,321,267,145.44x = 7,982,694,401.04 × 1,959,579,640.42
  4. Step 4: Simplify right side
    5,321,267,145.44x = 15,642,725,423,972,710,400
  5. Step 5: Solve for x
    x = 15,642,725,423,972,710,400/5,321,267,145.44
  6. Step 6: Final answer
    x = 2,939,661,737.78

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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.