Home / 3,319,855,231.80-4,979,782,847.70-866,192,134.80

Finding the Fourth Proportional to 3,319,855,231.80, 4,979,782,847.70 and 866,192,134.80

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Solution

The fourth proportional to 3,319,855,231.80, 4,979,782,847.70 and 866,192,134.80 is: 1,299,288,202.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319,855,231.80 : 4,979,782,847.70 = 866,192,134.80 : x
  2. Step 2: Convert to fraction form
    3,319,855,231.80/4,979,782,847.70 = 866,192,134.80/x
  3. Step 3: Cross multiply
    3,319,855,231.80x = 4,979,782,847.70 × 866,192,134.80
  4. Step 4: Simplify right side
    3,319,855,231.80x = 4,313,448,735,689,686,016
  5. Step 5: Solve for x
    x = 4,313,448,735,689,686,016/3,319,855,231.80
  6. Step 6: Final answer
    x = 1,299,288,202.20

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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.