Home / 3,899,967,913.03-5,381,966,040.93-2,115,821,310.56

Finding the Fourth Proportional to 3,899,967,913.03, 5,381,966,040.93 and 2,115,821,310.56

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Solution

The fourth proportional to 3,899,967,913.03, 5,381,966,040.93 and 2,115,821,310.56 is: 2,919,839,007.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,899,967,913.03 : 5,381,966,040.93 = 2,115,821,310.56 : x
  2. Step 2: Convert to fraction form
    3,899,967,913.03/5,381,966,040.93 = 2,115,821,310.56/x
  3. Step 3: Cross multiply
    3,899,967,913.03x = 5,381,966,040.93 × 2,115,821,310.56
  4. Step 4: Simplify right side
    3,899,967,913.03x = 11,387,278,442,109,927,424
  5. Step 5: Solve for x
    x = 11,387,278,442,109,927,424/3,899,967,913.03
  6. Step 6: Final answer
    x = 2,919,839,007.93

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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.