Home / 382,616,201.79-574,015,372.13-123,831,422.37

Finding the Fourth Proportional to 382,616,201.79, 574,015,372.13 and 123,831,422.37

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Solution

The fourth proportional to 382,616,201.79, 574,015,372.13 and 123,831,422.37 is: 185,776,607.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,616,201.79 : 574,015,372.13 = 123,831,422.37 : x
  2. Step 2: Convert to fraction form
    382,616,201.79/574,015,372.13 = 123,831,422.37/x
  3. Step 3: Cross multiply
    382,616,201.79x = 574,015,372.13 × 123,831,422.37
  4. Step 4: Simplify right side
    382,616,201.79x = 71,081,139,993,412,344
  5. Step 5: Solve for x
    x = 71,081,139,993,412,344/382,616,201.79
  6. Step 6: Final answer
    x = 185,776,607.63

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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.