Home / 396,413,999.70-594,620,999.55-293,101,869.30

Finding the Fourth Proportional to 396,413,999.70, 594,620,999.55 and 293,101,869.30

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Solution

The fourth proportional to 396,413,999.70, 594,620,999.55 and 293,101,869.30 is: 439,652,803.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,413,999.70 : 594,620,999.55 = 293,101,869.30 : x
  2. Step 2: Convert to fraction form
    396,413,999.70/594,620,999.55 = 293,101,869.30/x
  3. Step 3: Cross multiply
    396,413,999.70x = 594,620,999.55 × 293,101,869.30
  4. Step 4: Simplify right side
    396,413,999.70x = 174,284,526,493,139,456
  5. Step 5: Solve for x
    x = 174,284,526,493,139,456/396,413,999.70
  6. Step 6: Final answer
    x = 439,652,803.95

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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.