Home / 331,128,604.10-496,692,906.15-324,326,159.30

Finding the Fourth Proportional to 331,128,604.10, 496,692,906.15 and 324,326,159.30

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Solution

The fourth proportional to 331,128,604.10, 496,692,906.15 and 324,326,159.30 is: 486,489,238.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,128,604.10 : 496,692,906.15 = 324,326,159.30 : x
  2. Step 2: Convert to fraction form
    331,128,604.10/496,692,906.15 = 324,326,159.30/x
  3. Step 3: Cross multiply
    331,128,604.10x = 496,692,906.15 × 324,326,159.30
  4. Step 4: Simplify right side
    331,128,604.10x = 161,090,502,603,184,832
  5. Step 5: Solve for x
    x = 161,090,502,603,184,832/331,128,604.10
  6. Step 6: Final answer
    x = 486,489,238.95

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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.