Home / 397,194,076.72-548,132,845.24-218,598,521.84

Finding the Fourth Proportional to 397,194,076.72, 548,132,845.24 and 218,598,521.84

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Solution

The fourth proportional to 397,194,076.72, 548,132,845.24 and 218,598,521.84 is: 301,668,722.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,194,076.72 : 548,132,845.24 = 218,598,521.84 : x
  2. Step 2: Convert to fraction form
    397,194,076.72/548,132,845.24 = 218,598,521.84/x
  3. Step 3: Cross multiply
    397,194,076.72x = 548,132,845.24 × 218,598,521.84
  4. Step 4: Simplify right side
    397,194,076.72x = 119,821,029,741,417,488
  5. Step 5: Solve for x
    x = 119,821,029,741,417,488/397,194,076.72
  6. Step 6: Final answer
    x = 301,668,722.58

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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.