Home / 416,885,078.64-625,145,141.16-171,073,069.68

Finding the Fourth Proportional to 416,885,078.64, 625,145,141.16 and 171,073,069.68

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Solution

The fourth proportional to 416,885,078.64, 625,145,141.16 and 171,073,069.68 is: 256,534,723.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,885,078.64 : 625,145,141.16 = 171,073,069.68 : x
  2. Step 2: Convert to fraction form
    416,885,078.64/625,145,141.16 = 171,073,069.68/x
  3. Step 3: Cross multiply
    416,885,078.64x = 625,145,141.16 × 171,073,069.68
  4. Step 4: Simplify right side
    416,885,078.64x = 106,945,498,293,778,112
  5. Step 5: Solve for x
    x = 106,945,498,293,778,112/416,885,078.64
  6. Step 6: Final answer
    x = 256,534,723.29

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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.