Home / 396,601,309.44-547,315,502.04-218,001,739.68

Finding the Fourth Proportional to 396,601,309.44, 547,315,502.04 and 218,001,739.68

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Solution

The fourth proportional to 396,601,309.44, 547,315,502.04 and 218,001,739.68 is: 300,845,531.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,601,309.44 : 547,315,502.04 = 218,001,739.68 : x
  2. Step 2: Convert to fraction form
    396,601,309.44/547,315,502.04 = 218,001,739.68/x
  3. Step 3: Cross multiply
    396,601,309.44x = 547,315,502.04 × 218,001,739.68
  4. Step 4: Simplify right side
    396,601,309.44x = 119,315,731,598,552,592
  5. Step 5: Solve for x
    x = 119,315,731,598,552,592/396,601,309.44
  6. Step 6: Final answer
    x = 300,845,531.16

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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.