Home / 3,992,379,812.20-5,988,002,847.90-1,372,304,823.40

Finding the Fourth Proportional to 3,992,379,812.20, 5,988,002,847.90 and 1,372,304,823.40

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Solution

The fourth proportional to 3,992,379,812.20, 5,988,002,847.90 and 1,372,304,823.40 is: 2,058,262,384.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992,379,812.20 : 5,988,002,847.90 = 1,372,304,823.40 : x
  2. Step 2: Convert to fraction form
    3,992,379,812.20/5,988,002,847.90 = 1,372,304,823.40/x
  3. Step 3: Cross multiply
    3,992,379,812.20x = 5,988,002,847.90 × 1,372,304,823.40
  4. Step 4: Simplify right side
    3,992,379,812.20x = 8,217,365,190,706,106,368
  5. Step 5: Solve for x
    x = 8,217,365,190,706,106,368/3,992,379,812.20
  6. Step 6: Final answer
    x = 2,058,262,384.15

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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.