Home / 315,203,464.20-472,167,467.10-218,268,625.80

Finding the Fourth Proportional to 315,203,464.20, 472,167,467.10 and 218,268,625.80

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Solution

The fourth proportional to 315,203,464.20, 472,167,467.10 and 218,268,625.80 is: 326,961,331.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,203,464.20 : 472,167,467.10 = 218,268,625.80 : x
  2. Step 2: Convert to fraction form
    315,203,464.20/472,167,467.10 = 218,268,625.80/x
  3. Step 3: Cross multiply
    315,203,464.20x = 472,167,467.10 × 218,268,625.80
  4. Step 4: Simplify right side
    315,203,464.20x = 103,059,344,191,383,728
  5. Step 5: Solve for x
    x = 103,059,344,191,383,728/315,203,464.20
  6. Step 6: Final answer
    x = 326,961,331.00

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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.