Home / 464,268,993.82-640,691,189.96-255,420,652.44

Finding the Fourth Proportional to 464,268,993.82, 640,691,189.96 and 255,420,652.44

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Solution

The fourth proportional to 464,268,993.82, 640,691,189.96 and 255,420,652.44 is: 352,480,488.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,268,993.82 : 640,691,189.96 = 255,420,652.44 : x
  2. Step 2: Convert to fraction form
    464,268,993.82/640,691,189.96 = 255,420,652.44/x
  3. Step 3: Cross multiply
    464,268,993.82x = 640,691,189.96 × 255,420,652.44
  4. Step 4: Simplify right side
    464,268,993.82x = 163,645,761,752,143,200
  5. Step 5: Solve for x
    x = 163,645,761,752,143,200/464,268,993.82
  6. Step 6: Final answer
    x = 352,480,488.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.