Home / 13,134,538,409.25-19,733,238,372.45-8,422,093,069.27

Finding the Fourth Proportional to 13,134,538,409.25, 19,733,238,372.45 and 8,422,093,069.27

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Solution

The fourth proportional to 13,134,538,409.25, 19,733,238,372.45 and 8,422,093,069.27 is: 12,653,293,549.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,134,538,409.25 : 19,733,238,372.45 = 8,422,093,069.27 : x
  2. Step 2: Convert to fraction form
    13,134,538,409.25/19,733,238,372.45 = 8,422,093,069.27/x
  3. Step 3: Cross multiply
    13,134,538,409.25x = 19,733,238,372.45 × 8,422,093,069.27
  4. Step 4: Simplify right side
    13,134,538,409.25x = 166,195,170,130,863,980,544
  5. Step 5: Solve for x
    x = 166,195,170,130,863,980,544/13,134,538,409.25
  6. Step 6: Final answer
    x = 12,653,293,549.61

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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.