Home / 327,025,992.48-490,341,408.20-130,319,667.42

Finding the Fourth Proportional to 327,025,992.48, 490,341,408.20 and 130,319,667.42

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Solution

The fourth proportional to 327,025,992.48, 490,341,408.20 and 130,319,667.42 is: 195,400,765.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,025,992.48 : 490,341,408.20 = 130,319,667.42 : x
  2. Step 2: Convert to fraction form
    327,025,992.48/490,341,408.20 = 130,319,667.42/x
  3. Step 3: Cross multiply
    327,025,992.48x = 490,341,408.20 × 130,319,667.42
  4. Step 4: Simplify right side
    327,025,992.48x = 63,901,129,238,878,464
  5. Step 5: Solve for x
    x = 63,901,129,238,878,464/327,025,992.48
  6. Step 6: Final answer
    x = 195,400,765.41

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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.