Home / 396,571,418.17-547,040,622.47-247,633,995.35

Finding the Fourth Proportional to 396,571,418.17, 547,040,622.47 and 247,633,995.35

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Solution

The fourth proportional to 396,571,418.17, 547,040,622.47 and 247,633,995.35 is: 341,592,582.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,571,418.17 : 547,040,622.47 = 247,633,995.35 : x
  2. Step 2: Convert to fraction form
    396,571,418.17/547,040,622.47 = 247,633,995.35/x
  3. Step 3: Cross multiply
    396,571,418.17x = 547,040,622.47 × 247,633,995.35
  4. Step 4: Simplify right side
    396,571,418.17x = 135,465,854,961,126,528
  5. Step 5: Solve for x
    x = 135,465,854,961,126,528/396,571,418.17
  6. Step 6: Final answer
    x = 341,592,582.71

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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.