Home / 3,992,379,838.20-5,988,002,886.90-1,372,304,849.40

Finding the Fourth Proportional to 3,992,379,838.20, 5,988,002,886.90 and 1,372,304,849.40

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Solution

The fourth proportional to 3,992,379,838.20, 5,988,002,886.90 and 1,372,304,849.40 is: 2,058,262,423.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992,379,838.20 : 5,988,002,886.90 = 1,372,304,849.40 : x
  2. Step 2: Convert to fraction form
    3,992,379,838.20/5,988,002,886.90 = 1,372,304,849.40/x
  3. Step 3: Cross multiply
    3,992,379,838.20x = 5,988,002,886.90 × 1,372,304,849.40
  4. Step 4: Simplify right side
    3,992,379,838.20x = 8,217,365,399,914,070,016
  5. Step 5: Solve for x
    x = 8,217,365,399,914,070,016/3,992,379,838.20
  6. Step 6: Final answer
    x = 2,058,262,423.15

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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.