Home / 22,247,571,672.21-30,704,280,924.98-13,215,365,463.31

Finding the Fourth Proportional to 22,247,571,672.21, 30,704,280,924.98 and 13,215,365,463.31

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Solution

The fourth proportional to 22,247,571,672.21, 30,704,280,924.98 and 13,215,365,463.31 is: 18,238,767,794.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,247,571,672.21 : 30,704,280,924.98 = 13,215,365,463.31 : x
  2. Step 2: Convert to fraction form
    22,247,571,672.21/30,704,280,924.98 = 13,215,365,463.31/x
  3. Step 3: Cross multiply
    22,247,571,672.21x = 30,704,280,924.98 × 13,215,365,463.31
  4. Step 4: Simplify right side
    22,247,571,672.21x = 405,768,293,711,568,764,928
  5. Step 5: Solve for x
    x = 405,768,293,711,568,764,928/22,247,571,672.21
  6. Step 6: Final answer
    x = 18,238,767,794.08

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Double scale
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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.