Home / 405,327,407.82-559,403,625.51-226,721,221.98

Finding the Fourth Proportional to 405,327,407.82, 559,403,625.51 and 226,721,221.98

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Solution

The fourth proportional to 405,327,407.82, 559,403,625.51 and 226,721,221.98 is: 312,904,262.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,327,407.82 : 559,403,625.51 = 226,721,221.98 : x
  2. Step 2: Convert to fraction form
    405,327,407.82/559,403,625.51 = 226,721,221.98/x
  3. Step 3: Cross multiply
    405,327,407.82x = 559,403,625.51 × 226,721,221.98
  4. Step 4: Simplify right side
    405,327,407.82x = 126,828,673,555,669,488
  5. Step 5: Solve for x
    x = 126,828,673,555,669,488/405,327,407.82
  6. Step 6: Final answer
    x = 312,904,262.35

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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.