Home / 5,178,040,058.97-7,147,638,498.69-3,394,008,481.59

Finding the Fourth Proportional to 5,178,040,058.97, 7,147,638,498.69 and 3,394,008,481.59

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Solution

The fourth proportional to 5,178,040,058.97, 7,147,638,498.69 and 3,394,008,481.59 is: 4,685,005,409.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,178,040,058.97 : 7,147,638,498.69 = 3,394,008,481.59 : x
  2. Step 2: Convert to fraction form
    5,178,040,058.97/7,147,638,498.69 = 3,394,008,481.59/x
  3. Step 3: Cross multiply
    5,178,040,058.97x = 7,147,638,498.69 × 3,394,008,481.59
  4. Step 4: Simplify right side
    5,178,040,058.97x = 24,259,145,687,893,073,920
  5. Step 5: Solve for x
    x = 24,259,145,687,893,073,920/5,178,040,058.97
  6. Step 6: Final answer
    x = 4,685,005,409.70

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1.5x scale

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.