Home / 2,795,796,515.20-4,199,741,390.40-1,979,503,139.20

Finding the Fourth Proportional to 2,795,796,515.20, 4,199,741,390.40 and 1,979,503,139.20

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Solution

The fourth proportional to 2,795,796,515.20, 4,199,741,390.40 and 1,979,503,139.20 is: 2,973,535,885.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,795,796,515.20 : 4,199,741,390.40 = 1,979,503,139.20 : x
  2. Step 2: Convert to fraction form
    2,795,796,515.20/4,199,741,390.40 = 1,979,503,139.20/x
  3. Step 3: Cross multiply
    2,795,796,515.20x = 4,199,741,390.40 × 1,979,503,139.20
  4. Step 4: Simplify right side
    2,795,796,515.20x = 8,313,401,266,124,973,056
  5. Step 5: Solve for x
    x = 8,313,401,266,124,973,056/2,795,796,515.20
  6. Step 6: Final answer
    x = 2,973,535,885.36

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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.