Home / 328,770,166.71-453,530,819.20-203,282,249.16

Finding the Fourth Proportional to 328,770,166.71, 453,530,819.20 and 203,282,249.16

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Solution

The fourth proportional to 328,770,166.71, 453,530,819.20 and 203,282,249.16 is: 280,423,147.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,770,166.71 : 453,530,819.20 = 203,282,249.16 : x
  2. Step 2: Convert to fraction form
    328,770,166.71/453,530,819.20 = 203,282,249.16/x
  3. Step 3: Cross multiply
    328,770,166.71x = 453,530,819.20 × 203,282,249.16
  4. Step 4: Simplify right side
    328,770,166.71x = 92,194,764,990,353,312
  5. Step 5: Solve for x
    x = 92,194,764,990,353,312/328,770,166.71
  6. Step 6: Final answer
    x = 280,423,147.61

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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.