Home / 386,101,035,517.92-532,893,197,892.66-255,659,819,076.96

Finding the Fourth Proportional to 386,101,035,517.92, 532,893,197,892.66 and 255,659,819,076.96

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Solution

The fourth proportional to 386,101,035,517.92, 532,893,197,892.66 and 255,659,819,076.96 is: 352,859,396,965.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,101,035,517.92 : 532,893,197,892.66 = 255,659,819,076.96 : x
  2. Step 2: Convert to fraction form
    386,101,035,517.92/532,893,197,892.66 = 255,659,819,076.96/x
  3. Step 3: Cross multiply
    386,101,035,517.92x = 532,893,197,892.66 × 255,659,819,076.96
  4. Step 4: Simplify right side
    386,101,035,517.92x = 136,239,378,560,580,080,107,520
  5. Step 5: Solve for x
    x = 136,239,378,560,580,080,107,520/386,101,035,517.92
  6. Step 6: Final answer
    x = 352,859,396,965.43

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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.