Home / 3,500,396,145.80-5,247,309,636.30-1,320,826,891.40

Finding the Fourth Proportional to 3,500,396,145.80, 5,247,309,636.30 and 1,320,826,891.40

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Solution

The fourth proportional to 3,500,396,145.80, 5,247,309,636.30 and 1,320,826,891.40 is: 1,980,000,944.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,500,396,145.80 : 5,247,309,636.30 = 1,320,826,891.40 : x
  2. Step 2: Convert to fraction form
    3,500,396,145.80/5,247,309,636.30 = 1,320,826,891.40/x
  3. Step 3: Cross multiply
    3,500,396,145.80x = 5,247,309,636.30 × 1,320,826,891.40
  4. Step 4: Simplify right side
    3,500,396,145.80x = 6,930,787,675,127,394,304
  5. Step 5: Solve for x
    x = 6,930,787,675,127,394,304/3,500,396,145.80
  6. Step 6: Final answer
    x = 1,980,000,944.59

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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.