Home / 327,470,432.80-490,874,974.80-163,455,930.40

Finding the Fourth Proportional to 327,470,432.80, 490,874,974.80 and 163,455,930.40

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Solution

The fourth proportional to 327,470,432.80, 490,874,974.80 and 163,455,930.40 is: 245,018,840.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,470,432.80 : 490,874,974.80 = 163,455,930.40 : x
  2. Step 2: Convert to fraction form
    327,470,432.80/490,874,974.80 = 163,455,930.40/x
  3. Step 3: Cross multiply
    327,470,432.80x = 490,874,974.80 × 163,455,930.40
  4. Step 4: Simplify right side
    327,470,432.80x = 80,236,425,716,010,560
  5. Step 5: Solve for x
    x = 80,236,425,716,010,560/327,470,432.80
  6. Step 6: Final answer
    x = 245,018,840.42

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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.