Home / 3,992,379,803.20-5,988,002,834.40-1,372,304,814.40

Finding the Fourth Proportional to 3,992,379,803.20, 5,988,002,834.40 and 1,372,304,814.40

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Solution

The fourth proportional to 3,992,379,803.20, 5,988,002,834.40 and 1,372,304,814.40 is: 2,058,262,370.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992,379,803.20 : 5,988,002,834.40 = 1,372,304,814.40 : x
  2. Step 2: Convert to fraction form
    3,992,379,803.20/5,988,002,834.40 = 1,372,304,814.40/x
  3. Step 3: Cross multiply
    3,992,379,803.20x = 5,988,002,834.40 × 1,372,304,814.40
  4. Step 4: Simplify right side
    3,992,379,803.20x = 8,217,365,118,287,966,208
  5. Step 5: Solve for x
    x = 8,217,365,118,287,966,208/3,992,379,803.20
  6. Step 6: Final answer
    x = 2,058,262,370.65

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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.