Home / 673,948,840.20-1,008,907,721.10-401,179,201.80

Finding the Fourth Proportional to 673,948,840.20, 1,008,907,721.10 and 401,179,201.80

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Solution

The fourth proportional to 673,948,840.20, 1,008,907,721.10 and 401,179,201.80 is: 600,569,019.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,948,840.20 : 1,008,907,721.10 = 401,179,201.80 : x
  2. Step 2: Convert to fraction form
    673,948,840.20/1,008,907,721.10 = 401,179,201.80/x
  3. Step 3: Cross multiply
    673,948,840.20x = 1,008,907,721.10 × 401,179,201.80
  4. Step 4: Simplify right side
    673,948,840.20x = 404,752,794,240,755,008
  5. Step 5: Solve for x
    x = 404,752,794,240,755,008/673,948,840.20
  6. Step 6: Final answer
    x = 600,569,019.63

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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.