Home / 2,987,040,048.60-4,480,560,072.92-806,002,685.40

Finding the Fourth Proportional to 2,987,040,048.60, 4,480,560,072.92 and 806,002,685.40

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Solution

The fourth proportional to 2,987,040,048.60, 4,480,560,072.92 and 806,002,685.40 is: 1,209,004,028.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987,040,048.60 : 4,480,560,072.92 = 806,002,685.40 : x
  2. Step 2: Convert to fraction form
    2,987,040,048.60/4,480,560,072.92 = 806,002,685.40/x
  3. Step 3: Cross multiply
    2,987,040,048.60x = 4,480,560,072.92 × 806,002,685.40
  4. Step 4: Simplify right side
    2,987,040,048.60x = 3,611,343,450,869,539,840
  5. Step 5: Solve for x
    x = 3,611,343,450,869,539,840/2,987,040,048.60
  6. Step 6: Final answer
    x = 1,209,004,028.11

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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.