Home / 327,470,433.30-490,874,975.55-163,455,930.90

Finding the Fourth Proportional to 327,470,433.30, 490,874,975.55 and 163,455,930.90

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Solution

The fourth proportional to 327,470,433.30, 490,874,975.55 and 163,455,930.90 is: 245,018,841.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,470,433.30 : 490,874,975.55 = 163,455,930.90 : x
  2. Step 2: Convert to fraction form
    327,470,433.30/490,874,975.55 = 163,455,930.90/x
  3. Step 3: Cross multiply
    327,470,433.30x = 490,874,975.55 × 163,455,930.90
  4. Step 4: Simplify right side
    327,470,433.30x = 80,236,426,084,040,000
  5. Step 5: Solve for x
    x = 80,236,426,084,040,000/327,470,433.30
  6. Step 6: Final answer
    x = 245,018,841.17

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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.