Home / 464,268,991.83-640,691,187.20-255,420,650.44

Finding the Fourth Proportional to 464,268,991.83, 640,691,187.20 and 255,420,650.44

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Solution

The fourth proportional to 464,268,991.83, 640,691,187.20 and 255,420,650.44 is: 352,480,485.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,268,991.83 : 640,691,187.20 = 255,420,650.44 : x
  2. Step 2: Convert to fraction form
    464,268,991.83/640,691,187.20 = 255,420,650.44/x
  3. Step 3: Cross multiply
    464,268,991.83x = 640,691,187.20 × 255,420,650.44
  4. Step 4: Simplify right side
    464,268,991.83x = 163,645,759,765,799,808
  5. Step 5: Solve for x
    x = 163,645,759,765,799,808/464,268,991.83
  6. Step 6: Final answer
    x = 352,480,485.76

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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.