Home / 825,857,087.75-1,238,752,035.55-204,056,660.67

Finding the Fourth Proportional to 825,857,087.75, 1,238,752,035.55 and 204,056,660.67

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Solution

The fourth proportional to 825,857,087.75, 1,238,752,035.55 and 204,056,660.67 is: 306,076,689.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,857,087.75 : 1,238,752,035.55 = 204,056,660.67 : x
  2. Step 2: Convert to fraction form
    825,857,087.75/1,238,752,035.55 = 204,056,660.67/x
  3. Step 3: Cross multiply
    825,857,087.75x = 1,238,752,035.55 × 204,056,660.67
  4. Step 4: Simplify right side
    825,857,087.75x = 252,775,603,772,498,112
  5. Step 5: Solve for x
    x = 252,775,603,772,498,112/825,857,087.75
  6. Step 6: Final answer
    x = 306,076,689.93

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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.