Home / 3,928,007,115.41-5,892,786,853.78-1,440,891,136.26

Finding the Fourth Proportional to 3,928,007,115.41, 5,892,786,853.78 and 1,440,891,136.26

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Solution

The fourth proportional to 3,928,007,115.41, 5,892,786,853.78 and 1,440,891,136.26 is: 2,161,621,426.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,928,007,115.41 : 5,892,786,853.78 = 1,440,891,136.26 : x
  2. Step 2: Convert to fraction form
    3,928,007,115.41/5,892,786,853.78 = 1,440,891,136.26/x
  3. Step 3: Cross multiply
    3,928,007,115.41x = 5,892,786,853.78 × 1,440,891,136.26
  4. Step 4: Simplify right side
    3,928,007,115.41x = 8,490,864,345,487,970,304
  5. Step 5: Solve for x
    x = 8,490,864,345,487,970,304/3,928,007,115.41
  6. Step 6: Final answer
    x = 2,161,621,426.85

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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.