Home / 613,149,433.62-919,383,872.67-203,982,223.38

Finding the Fourth Proportional to 613,149,433.62, 919,383,872.67 and 203,982,223.38

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Solution

The fourth proportional to 613,149,433.62, 919,383,872.67 and 203,982,223.38 is: 305,860,131.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,149,433.62 : 919,383,872.67 = 203,982,223.38 : x
  2. Step 2: Convert to fraction form
    613,149,433.62/919,383,872.67 = 203,982,223.38/x
  3. Step 3: Cross multiply
    613,149,433.62x = 919,383,872.67 × 203,982,223.38
  4. Step 4: Simplify right side
    613,149,433.62x = 187,537,966,486,941,408
  5. Step 5: Solve for x
    x = 187,537,966,486,941,408/613,149,433.62
  6. Step 6: Final answer
    x = 305,860,131.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.