Home / 404,267,295.49-557,890,549.22-218,628,311.18

Finding the Fourth Proportional to 404,267,295.49, 557,890,549.22 and 218,628,311.18

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Solution

The fourth proportional to 404,267,295.49, 557,890,549.22 and 218,628,311.18 is: 301,707,978.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,267,295.49 : 557,890,549.22 = 218,628,311.18 : x
  2. Step 2: Convert to fraction form
    404,267,295.49/557,890,549.22 = 218,628,311.18/x
  3. Step 3: Cross multiply
    404,267,295.49x = 557,890,549.22 × 218,628,311.18
  4. Step 4: Simplify right side
    404,267,295.49x = 121,970,668,597,008,384
  5. Step 5: Solve for x
    x = 121,970,668,597,008,384/404,267,295.49
  6. Step 6: Final answer
    x = 301,707,978.75

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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.