Home / 3,949,221,321.52-5,449,807,451.22-2,165,013,796.12

Finding the Fourth Proportional to 3,949,221,321.52, 5,449,807,451.22 and 2,165,013,796.12

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Solution

The fourth proportional to 3,949,221,321.52, 5,449,807,451.22 and 2,165,013,796.12 is: 2,987,654,364.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949,221,321.52 : 5,449,807,451.22 = 2,165,013,796.12 : x
  2. Step 2: Convert to fraction form
    3,949,221,321.52/5,449,807,451.22 = 2,165,013,796.12/x
  3. Step 3: Cross multiply
    3,949,221,321.52x = 5,449,807,451.22 × 2,165,013,796.12
  4. Step 4: Simplify right side
    3,949,221,321.52x = 11,798,908,318,088,873,984
  5. Step 5: Solve for x
    x = 11,798,908,318,088,873,984/3,949,221,321.52
  6. Step 6: Final answer
    x = 2,987,654,364.62

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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.