Home / 419,665,604.88-579,139,092.68-231,489,654

Finding the Fourth Proportional to 419,665,604.88, 579,139,092.68 and 231,489,654

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Solution

The fourth proportional to 419,665,604.88, 579,139,092.68 and 231,489,654 is: 319,456,030.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,665,604.88 : 579,139,092.68 = 231,489,654 : x
  2. Step 2: Convert to fraction form
    419,665,604.88/579,139,092.68 = 231,489,654/x
  3. Step 3: Cross multiply
    419,665,604.88x = 579,139,092.68 × 231,489,654
  4. Step 4: Simplify right side
    419,665,604.88x = 134,064,708,182,367,120
  5. Step 5: Solve for x
    x = 134,064,708,182,367,120/419,665,604.88
  6. Step 6: Final answer
    x = 319,456,030.29

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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.