Home / 2,987,039,501.10-4,480,559,251.65-806,002,137.90

Finding the Fourth Proportional to 2,987,039,501.10, 4,480,559,251.65 and 806,002,137.90

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Solution

The fourth proportional to 2,987,039,501.10, 4,480,559,251.65 and 806,002,137.90 is: 1,209,003,206.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987,039,501.10 : 4,480,559,251.65 = 806,002,137.90 : x
  2. Step 2: Convert to fraction form
    2,987,039,501.10/4,480,559,251.65 = 806,002,137.90/x
  3. Step 3: Cross multiply
    2,987,039,501.10x = 4,480,559,251.65 × 806,002,137.90
  4. Step 4: Simplify right side
    2,987,039,501.10x = 3,611,340,335,817,523,712
  5. Step 5: Solve for x
    x = 3,611,340,335,817,523,712/2,987,039,501.10
  6. Step 6: Final answer
    x = 1,209,003,206.85

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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.