Home / 396,307,072.80-594,460,609.20-258,557,565.60

Finding the Fourth Proportional to 396,307,072.80, 594,460,609.20 and 258,557,565.60

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Solution

The fourth proportional to 396,307,072.80, 594,460,609.20 and 258,557,565.60 is: 387,836,348.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,307,072.80 : 594,460,609.20 = 258,557,565.60 : x
  2. Step 2: Convert to fraction form
    396,307,072.80/594,460,609.20 = 258,557,565.60/x
  3. Step 3: Cross multiply
    396,307,072.80x = 594,460,609.20 × 258,557,565.60
  4. Step 4: Simplify right side
    396,307,072.80x = 153,702,287,959,844,960
  5. Step 5: Solve for x
    x = 153,702,287,959,844,960/396,307,072.80
  6. Step 6: Final answer
    x = 387,836,348.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.