Home / 298,647,256.26-412,112,168.57-166,482,406.65

Finding the Fourth Proportional to 298,647,256.26, 412,112,168.57 and 166,482,406.65

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Solution

The fourth proportional to 298,647,256.26, 412,112,168.57 and 166,482,406.65 is: 229,733,989.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,647,256.26 : 412,112,168.57 = 166,482,406.65 : x
  2. Step 2: Convert to fraction form
    298,647,256.26/412,112,168.57 = 166,482,406.65/x
  3. Step 3: Cross multiply
    298,647,256.26x = 412,112,168.57 × 166,482,406.65
  4. Step 4: Simplify right side
    298,647,256.26x = 68,609,425,633,700,296
  5. Step 5: Solve for x
    x = 68,609,425,633,700,296/298,647,256.26
  6. Step 6: Final answer
    x = 229,733,989.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.