Home / 419,684,412.51-579,138,272.96-231,514,882.83

Finding the Fourth Proportional to 419,684,412.51, 579,138,272.96 and 231,514,882.83

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Solution

The fourth proportional to 419,684,412.51, 579,138,272.96 and 231,514,882.83 is: 319,476,076.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,684,412.51 : 579,138,272.96 = 231,514,882.83 : x
  2. Step 2: Convert to fraction form
    419,684,412.51/579,138,272.96 = 231,514,882.83/x
  3. Step 3: Cross multiply
    419,684,412.51x = 579,138,272.96 × 231,514,882.83
  4. Step 4: Simplify right side
    419,684,412.51x = 134,079,129,405,545,408
  5. Step 5: Solve for x
    x = 134,079,129,405,545,408/419,684,412.51
  6. Step 6: Final answer
    x = 319,476,076.33

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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.