Home / 396,413,999.20-594,620,998.80-293,101,868.80

Finding the Fourth Proportional to 396,413,999.20, 594,620,998.80 and 293,101,868.80

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Solution

The fourth proportional to 396,413,999.20, 594,620,998.80 and 293,101,868.80 is: 439,652,803.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,413,999.20 : 594,620,998.80 = 293,101,868.80 : x
  2. Step 2: Convert to fraction form
    396,413,999.20/594,620,998.80 = 293,101,868.80/x
  3. Step 3: Cross multiply
    396,413,999.20x = 594,620,998.80 × 293,101,868.80
  4. Step 4: Simplify right side
    396,413,999.20x = 174,284,525,976,002,560
  5. Step 5: Solve for x
    x = 174,284,525,976,002,560/396,413,999.20
  6. Step 6: Final answer
    x = 439,652,803.20

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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.