Home / 773,463,695.70-1,067,380,015.22-421,042,361.84

Finding the Fourth Proportional to 773,463,695.70, 1,067,380,015.22 and 421,042,361.84

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Solution

The fourth proportional to 773,463,695.70, 1,067,380,015.22 and 421,042,361.84 is: 581,038,522.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,463,695.70 : 1,067,380,015.22 = 421,042,361.84 : x
  2. Step 2: Convert to fraction form
    773,463,695.70/1,067,380,015.22 = 421,042,361.84/x
  3. Step 3: Cross multiply
    773,463,695.70x = 1,067,380,015.22 × 421,042,361.84
  4. Step 4: Simplify right side
    773,463,695.70x = 449,412,202,584,270,272
  5. Step 5: Solve for x
    x = 449,412,202,584,270,272/773,463,695.70
  6. Step 6: Final answer
    x = 581,038,522.02

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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.