Home / 399,375,646.41-598,040,692.34-276,383,665.29

Finding the Fourth Proportional to 399,375,646.41, 598,040,692.34 and 276,383,665.29

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Solution

The fourth proportional to 399,375,646.41, 598,040,692.34 and 276,383,665.29 is: 413,867,695.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,375,646.41 : 598,040,692.34 = 276,383,665.29 : x
  2. Step 2: Convert to fraction form
    399,375,646.41/598,040,692.34 = 276,383,665.29/x
  3. Step 3: Cross multiply
    399,375,646.41x = 598,040,692.34 × 276,383,665.29
  4. Step 4: Simplify right side
    399,375,646.41x = 165,288,678,540,116,544
  5. Step 5: Solve for x
    x = 165,288,678,540,116,544/399,375,646.41
  6. Step 6: Final answer
    x = 413,867,695.80

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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.