Home / 1,987,753,776.96-2,743,222,938.68-1,095,678,491.43

Finding the Fourth Proportional to 1,987,753,776.96, 2,743,222,938.68 and 1,095,678,491.43

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Solution

The fourth proportional to 1,987,753,776.96, 2,743,222,938.68 and 1,095,678,491.43 is: 1,512,103,966.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987,753,776.96 : 2,743,222,938.68 = 1,095,678,491.43 : x
  2. Step 2: Convert to fraction form
    1,987,753,776.96/2,743,222,938.68 = 1,095,678,491.43/x
  3. Step 3: Cross multiply
    1,987,753,776.96x = 2,743,222,938.68 × 1,095,678,491.43
  4. Step 4: Simplify right side
    1,987,753,776.96x = 3,005,690,371,109,073,920
  5. Step 5: Solve for x
    x = 3,005,690,371,109,073,920/1,987,753,776.96
  6. Step 6: Final answer
    x = 1,512,103,966.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.