Home / 15,667,823,380.92-21,621,504,170.64-8,531,220,105.38

Finding the Fourth Proportional to 15,667,823,380.92, 21,621,504,170.64 and 8,531,220,105.38

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Solution

The fourth proportional to 15,667,823,380.92, 21,621,504,170.64 and 8,531,220,105.38 is: 11,773,033,599.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,667,823,380.92 : 21,621,504,170.64 = 8,531,220,105.38 : x
  2. Step 2: Convert to fraction form
    15,667,823,380.92/21,621,504,170.64 = 8,531,220,105.38/x
  3. Step 3: Cross multiply
    15,667,823,380.92x = 21,621,504,170.64 × 8,531,220,105.38
  4. Step 4: Simplify right side
    15,667,823,380.92x = 184,457,811,089,013,374,976
  5. Step 5: Solve for x
    x = 184,457,811,089,013,374,976/15,667,823,380.92
  6. Step 6: Final answer
    x = 11,773,033,599.14

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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.