Home / 396,571,411.40-547,040,613.17-247,633,988.59

Finding the Fourth Proportional to 396,571,411.40, 547,040,613.17 and 247,633,988.59

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Solution

The fourth proportional to 396,571,411.40, 547,040,613.17 and 247,633,988.59 is: 341,592,573.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,571,411.40 : 547,040,613.17 = 247,633,988.59 : x
  2. Step 2: Convert to fraction form
    396,571,411.40/547,040,613.17 = 247,633,988.59/x
  3. Step 3: Cross multiply
    396,571,411.40x = 547,040,613.17 × 247,633,988.59
  4. Step 4: Simplify right side
    396,571,411.40x = 135,465,848,958,407,728
  5. Step 5: Solve for x
    x = 135,465,848,958,407,728/396,571,411.40
  6. Step 6: Final answer
    x = 341,592,573.40

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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.