Home / 15,087,975,039.96-20,820,467,396.32-8,313,414,508.09

Finding the Fourth Proportional to 15,087,975,039.96, 20,820,467,396.32 and 8,313,414,508.09

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Solution

The fourth proportional to 15,087,975,039.96, 20,820,467,396.32 and 8,313,414,508.09 is: 11,471,995,099.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,087,975,039.96 : 20,820,467,396.32 = 8,313,414,508.09 : x
  2. Step 2: Convert to fraction form
    15,087,975,039.96/20,820,467,396.32 = 8,313,414,508.09/x
  3. Step 3: Cross multiply
    15,087,975,039.96x = 20,820,467,396.32 × 8,313,414,508.09
  4. Step 4: Simplify right side
    15,087,975,039.96x = 173,089,175,717,781,504,000
  5. Step 5: Solve for x
    x = 173,089,175,717,781,504,000/15,087,975,039.96
  6. Step 6: Final answer
    x = 11,471,995,099.37

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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.