Home / 445,825,518.60-668,738,277.90-154,595,850.60

Finding the Fourth Proportional to 445,825,518.60, 668,738,277.90 and 154,595,850.60

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Solution

The fourth proportional to 445,825,518.60, 668,738,277.90 and 154,595,850.60 is: 231,893,775.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,825,518.60 : 668,738,277.90 = 154,595,850.60 : x
  2. Step 2: Convert to fraction form
    445,825,518.60/668,738,277.90 = 154,595,850.60/x
  3. Step 3: Cross multiply
    445,825,518.60x = 668,738,277.90 × 154,595,850.60
  4. Step 4: Simplify right side
    445,825,518.60x = 103,384,162,900,729,680
  5. Step 5: Solve for x
    x = 103,384,162,900,729,680/445,825,518.60
  6. Step 6: Final answer
    x = 231,893,775.90

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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.