Home / 396,795,397.62-546,770,103.44-306,941,465.15

Finding the Fourth Proportional to 396,795,397.62, 546,770,103.44 and 306,941,465.15

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Solution

The fourth proportional to 396,795,397.62, 546,770,103.44 and 306,941,465.15 is: 422,954,544.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,795,397.62 : 546,770,103.44 = 306,941,465.15 : x
  2. Step 2: Convert to fraction form
    396,795,397.62/546,770,103.44 = 306,941,465.15/x
  3. Step 3: Cross multiply
    396,795,397.62x = 546,770,103.44 × 306,941,465.15
  4. Step 4: Simplify right side
    396,795,397.62x = 167,826,416,650,090,656
  5. Step 5: Solve for x
    x = 167,826,416,650,090,656/396,795,397.62
  6. Step 6: Final answer
    x = 422,954,544.47

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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.