Home / 694,844,805.33-1,042,468,936.74-280,107,592.83

Finding the Fourth Proportional to 694,844,805.33, 1,042,468,936.74 and 280,107,592.83

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Solution

The fourth proportional to 694,844,805.33, 1,042,468,936.74 and 280,107,592.83 is: 420,242,710.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,844,805.33 : 1,042,468,936.74 = 280,107,592.83 : x
  2. Step 2: Convert to fraction form
    694,844,805.33/1,042,468,936.74 = 280,107,592.83/x
  3. Step 3: Cross multiply
    694,844,805.33x = 1,042,468,936.74 × 280,107,592.83
  4. Step 4: Simplify right side
    694,844,805.33x = 292,003,464,470,290,944
  5. Step 5: Solve for x
    x = 292,003,464,470,290,944/694,844,805.33
  6. Step 6: Final answer
    x = 420,242,710.65

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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.