Home / 1,380,988,814.38-2,072,792,847.37-854,766,144.62

Finding the Fourth Proportional to 1,380,988,814.38, 2,072,792,847.37 and 854,766,144.62

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Solution

The fourth proportional to 1,380,988,814.38, 2,072,792,847.37 and 854,766,144.62 is: 1,282,959,812.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,988,814.38 : 2,072,792,847.37 = 854,766,144.62 : x
  2. Step 2: Convert to fraction form
    1,380,988,814.38/2,072,792,847.37 = 854,766,144.62/x
  3. Step 3: Cross multiply
    1,380,988,814.38x = 2,072,792,847.37 × 854,766,144.62
  4. Step 4: Simplify right side
    1,380,988,814.38x = 1,771,753,150,742,366,976
  5. Step 5: Solve for x
    x = 1,771,753,150,742,366,976/1,380,988,814.38
  6. Step 6: Final answer
    x = 1,282,959,812.78

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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.