Home / 3,919,231,268.05-5,870,784,745.28-1,981,626,250.45

Finding the Fourth Proportional to 3,919,231,268.05, 5,870,784,745.28 and 1,981,626,250.45

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Solution

The fourth proportional to 3,919,231,268.05, 5,870,784,745.28 and 1,981,626,250.45 is: 2,968,363,019.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919,231,268.05 : 5,870,784,745.28 = 1,981,626,250.45 : x
  2. Step 2: Convert to fraction form
    3,919,231,268.05/5,870,784,745.28 = 1,981,626,250.45/x
  3. Step 3: Cross multiply
    3,919,231,268.05x = 5,870,784,745.28 × 1,981,626,250.45
  4. Step 4: Simplify right side
    3,919,231,268.05x = 11,633,701,161,978,355,712
  5. Step 5: Solve for x
    x = 11,633,701,161,978,355,712/3,919,231,268.05
  6. Step 6: Final answer
    x = 2,968,363,019.76

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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.