Home / 396,571,412.90-547,040,615.24-247,633,990.08

Finding the Fourth Proportional to 396,571,412.90, 547,040,615.24 and 247,633,990.08

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Solution

The fourth proportional to 396,571,412.90, 547,040,615.24 and 247,633,990.08 is: 341,592,575.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,571,412.90 : 547,040,615.24 = 247,633,990.08 : x
  2. Step 2: Convert to fraction form
    396,571,412.90/547,040,615.24 = 247,633,990.08/x
  3. Step 3: Cross multiply
    396,571,412.90x = 547,040,615.24 × 247,633,990.08
  4. Step 4: Simplify right side
    396,571,412.90x = 135,465,850,286,461,104
  5. Step 5: Solve for x
    x = 135,465,850,286,461,104/396,571,412.90
  6. Step 6: Final answer
    x = 341,592,575.46

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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.