Home / 627,117,553.86-940,615,546.97-190,422,076.61

Finding the Fourth Proportional to 627,117,553.86, 940,615,546.97 and 190,422,076.61

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Solution

The fourth proportional to 627,117,553.86, 940,615,546.97 and 190,422,076.61 is: 285,614,658.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,117,553.86 : 940,615,546.97 = 190,422,076.61 : x
  2. Step 2: Convert to fraction form
    627,117,553.86/940,615,546.97 = 190,422,076.61/x
  3. Step 3: Cross multiply
    627,117,553.86x = 940,615,546.97 × 190,422,076.61
  4. Step 4: Simplify right side
    627,117,553.86x = 179,113,965,741,451,360
  5. Step 5: Solve for x
    x = 179,113,965,741,451,360/627,117,553.86
  6. Step 6: Final answer
    x = 285,614,658.11

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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.