Home / 773,304,174.36-1,067,182,421.82-420,902,990.04

Finding the Fourth Proportional to 773,304,174.36, 1,067,182,421.82 and 420,902,990.04

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Solution

The fourth proportional to 773,304,174.36, 1,067,182,421.82 and 420,902,990.04 is: 580,858,460.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,304,174.36 : 1,067,182,421.82 = 420,902,990.04 : x
  2. Step 2: Convert to fraction form
    773,304,174.36/1,067,182,421.82 = 420,902,990.04/x
  3. Step 3: Cross multiply
    773,304,174.36x = 1,067,182,421.82 × 420,902,990.04
  4. Step 4: Simplify right side
    773,304,174.36x = 449,180,272,262,166,592
  5. Step 5: Solve for x
    x = 449,180,272,262,166,592/773,304,174.36
  6. Step 6: Final answer
    x = 580,858,460.56

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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.