Home / 3,992,379,831.20-5,988,002,876.40-1,372,304,842.40

Finding the Fourth Proportional to 3,992,379,831.20, 5,988,002,876.40 and 1,372,304,842.40

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Solution

The fourth proportional to 3,992,379,831.20, 5,988,002,876.40 and 1,372,304,842.40 is: 2,058,262,412.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992,379,831.20 : 5,988,002,876.40 = 1,372,304,842.40 : x
  2. Step 2: Convert to fraction form
    3,992,379,831.20/5,988,002,876.40 = 1,372,304,842.40/x
  3. Step 3: Cross multiply
    3,992,379,831.20x = 5,988,002,876.40 × 1,372,304,842.40
  4. Step 4: Simplify right side
    3,992,379,831.20x = 8,217,365,343,588,848,640
  5. Step 5: Solve for x
    x = 8,217,365,343,588,848,640/3,992,379,831.20
  6. Step 6: Final answer
    x = 2,058,262,412.65

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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.