Home / 31,437,826,785.55-43,388,005,361.21-17,892,757,365.49

Finding the Fourth Proportional to 31,437,826,785.55, 43,388,005,361.21 and 17,892,757,365.49

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Solution

The fourth proportional to 31,437,826,785.55, 43,388,005,361.21 and 17,892,757,365.49 is: 24,694,170,427.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,437,826,785.55 : 43,388,005,361.21 = 17,892,757,365.49 : x
  2. Step 2: Convert to fraction form
    31,437,826,785.55/43,388,005,361.21 = 17,892,757,365.49/x
  3. Step 3: Cross multiply
    31,437,826,785.55x = 43,388,005,361.21 × 17,892,757,365.49
  4. Step 4: Simplify right side
    31,437,826,785.55x = 776,331,052,500,709,933,056
  5. Step 5: Solve for x
    x = 776,331,052,500,709,933,056/31,437,826,785.55
  6. Step 6: Final answer
    x = 24,694,170,427.12

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Double scale
Find fourth proportional to 31,437,826,786.55, 43,388,005,362.59 and 17,892,757,366.49
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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.