Home / 298,676,273.81-412,171,785.56-173,253,835.85

Finding the Fourth Proportional to 298,676,273.81, 412,171,785.56 and 173,253,835.85

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Solution

The fourth proportional to 298,676,273.81, 412,171,785.56 and 173,253,835.85 is: 239,089,439.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,676,273.81 : 412,171,785.56 = 173,253,835.85 : x
  2. Step 2: Convert to fraction form
    298,676,273.81/412,171,785.56 = 173,253,835.85/x
  3. Step 3: Cross multiply
    298,676,273.81x = 412,171,785.56 × 173,253,835.85
  4. Step 4: Simplify right side
    298,676,273.81x = 71,410,342,874,486,512
  5. Step 5: Solve for x
    x = 71,410,342,874,486,512/298,676,273.81
  6. Step 6: Final answer
    x = 239,089,439.43

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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.