Home / 621,040,294,481.40-931,560,441,722.10-409,043,802,900.60

Finding the Fourth Proportional to 621,040,294,481.40, 931,560,441,722.10 and 409,043,802,900.60

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Solution

The fourth proportional to 621,040,294,481.40, 931,560,441,722.10 and 409,043,802,900.60 is: 613,565,704,350.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,040,294,481.40 : 931,560,441,722.10 = 409,043,802,900.60 : x
  2. Step 2: Convert to fraction form
    621,040,294,481.40/931,560,441,722.10 = 409,043,802,900.60/x
  3. Step 3: Cross multiply
    621,040,294,481.40x = 931,560,441,722.10 × 409,043,802,900.60
  4. Step 4: Simplify right side
    621,040,294,481.40x = 381,049,025,713,770,520,903,680
  5. Step 5: Solve for x
    x = 381,049,025,713,770,520,903,680/621,040,294,481.40
  6. Step 6: Final answer
    x = 613,565,704,350.90

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1.5x scale

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.