Home / 773,664,087.36-1,067,682,644-421,253,745.60

Finding the Fourth Proportional to 773,664,087.36, 1,067,682,644 and 421,253,745.60

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Solution

The fourth proportional to 773,664,087.36, 1,067,682,644 and 421,253,745.60 is: 581,344,436.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,664,087.36 : 1,067,682,644 = 421,253,745.60 : x
  2. Step 2: Convert to fraction form
    773,664,087.36/1,067,682,644 = 421,253,745.60/x
  3. Step 3: Cross multiply
    773,664,087.36x = 1,067,682,644 × 421,253,745.60
  4. Step 4: Simplify right side
    773,664,087.36x = 449,765,312,897,111,360
  5. Step 5: Solve for x
    x = 449,765,312,897,111,360/773,664,087.36
  6. Step 6: Final answer
    x = 581,344,436.49

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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.