Home / 451,919,815.80-677,942,709.30-193,132,980.60

Finding the Fourth Proportional to 451,919,815.80, 677,942,709.30 and 193,132,980.60

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Solution

The fourth proportional to 451,919,815.80, 677,942,709.30 and 193,132,980.60 is: 289,726,388.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,919,815.80 : 677,942,709.30 = 193,132,980.60 : x
  2. Step 2: Convert to fraction form
    451,919,815.80/677,942,709.30 = 193,132,980.60/x
  3. Step 3: Cross multiply
    451,919,815.80x = 677,942,709.30 × 193,132,980.60
  4. Step 4: Simplify right side
    451,919,815.80x = 130,933,096,123,148,320
  5. Step 5: Solve for x
    x = 130,933,096,123,148,320/451,919,815.80
  6. Step 6: Final answer
    x = 289,726,388.50

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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.