Home / 296,987,408.20-445,481,112.30-276,832,016.20

Finding the Fourth Proportional to 296,987,408.20, 445,481,112.30 and 276,832,016.20

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Solution

The fourth proportional to 296,987,408.20, 445,481,112.30 and 276,832,016.20 is: 415,248,024.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,987,408.20 : 445,481,112.30 = 276,832,016.20 : x
  2. Step 2: Convert to fraction form
    296,987,408.20/445,481,112.30 = 276,832,016.20/x
  3. Step 3: Cross multiply
    296,987,408.20x = 445,481,112.30 × 276,832,016.20
  4. Step 4: Simplify right side
    296,987,408.20x = 123,323,434,497,027,616
  5. Step 5: Solve for x
    x = 123,323,434,497,027,616/296,987,408.20
  6. Step 6: Final answer
    x = 415,248,024.30

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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.