Home / 298,410,859.20-447,616,288.80-177,179,908.80

Finding the Fourth Proportional to 298,410,859.20, 447,616,288.80 and 177,179,908.80

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Solution

The fourth proportional to 298,410,859.20, 447,616,288.80 and 177,179,908.80 is: 265,769,863.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,410,859.20 : 447,616,288.80 = 177,179,908.80 : x
  2. Step 2: Convert to fraction form
    298,410,859.20/447,616,288.80 = 177,179,908.80/x
  3. Step 3: Cross multiply
    298,410,859.20x = 447,616,288.80 × 177,179,908.80
  4. Step 4: Simplify right side
    298,410,859.20x = 79,308,613,226,978,464
  5. Step 5: Solve for x
    x = 79,308,613,226,978,464/298,410,859.20
  6. Step 6: Final answer
    x = 265,769,863.20

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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.