Home / 327,025,972.98-490,341,378.92-130,319,647.83

Finding the Fourth Proportional to 327,025,972.98, 490,341,378.92 and 130,319,647.83

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Solution

The fourth proportional to 327,025,972.98, 490,341,378.92 and 130,319,647.83 is: 195,400,736.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,025,972.98 : 490,341,378.92 = 130,319,647.83 : x
  2. Step 2: Convert to fraction form
    327,025,972.98/490,341,378.92 = 130,319,647.83/x
  3. Step 3: Cross multiply
    327,025,972.98x = 490,341,378.92 × 130,319,647.83
  4. Step 4: Simplify right side
    327,025,972.98x = 63,901,115,816,679,392
  5. Step 5: Solve for x
    x = 63,901,115,816,679,392/327,025,972.98
  6. Step 6: Final answer
    x = 195,400,736.02

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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.