Home / 275,530,668.18-413,296,570.89-258,694,617.30

Finding the Fourth Proportional to 275,530,668.18, 413,296,570.89 and 258,694,617.30

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Solution

The fourth proportional to 275,530,668.18, 413,296,570.89 and 258,694,617.30 is: 388,042,459.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,530,668.18 : 413,296,570.89 = 258,694,617.30 : x
  2. Step 2: Convert to fraction form
    275,530,668.18/413,296,570.89 = 258,694,617.30/x
  3. Step 3: Cross multiply
    275,530,668.18x = 413,296,570.89 × 258,694,617.30
  4. Step 4: Simplify right side
    275,530,668.18x = 106,917,598,237,790,864
  5. Step 5: Solve for x
    x = 106,917,598,237,790,864/275,530,668.18
  6. Step 6: Final answer
    x = 388,042,459.82

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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.