Home / 682,595,438.11-941,974,998.37-369,322,778.41

Finding the Fourth Proportional to 682,595,438.11, 941,974,998.37 and 369,322,778.41

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Solution

The fourth proportional to 682,595,438.11, 941,974,998.37 and 369,322,778.41 is: 509,661,805.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,595,438.11 : 941,974,998.37 = 369,322,778.41 : x
  2. Step 2: Convert to fraction form
    682,595,438.11/941,974,998.37 = 369,322,778.41/x
  3. Step 3: Cross multiply
    682,595,438.11x = 941,974,998.37 × 369,322,778.41
  4. Step 4: Simplify right side
    682,595,438.11x = 347,892,823,590,763,648
  5. Step 5: Solve for x
    x = 347,892,823,590,763,648/682,595,438.11
  6. Step 6: Final answer
    x = 509,661,805.76

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1.5x scale

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.