Finding the Fourth Proportional to 18,125,469,863.10, 27,188,204,794.65 and 18,125,469,863.10
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Solution
The fourth proportional to 18,125,469,863.10, 27,188,204,794.65 and 18,125,469,863.10 is: 27,188,204,794.65
Step by Step Solution
- Step 1: Write the proportion equation
18,125,469,863.10 : 27,188,204,794.65 = 18,125,469,863.10 : x - Step 2: Convert to fraction form
18,125,469,863.10/27,188,204,794.65 = 18,125,469,863.10/x - Step 3: Cross multiply
18,125,469,863.10x = 27,188,204,794.65 × 18,125,469,863.10 - Step 4: Simplify right side
18,125,469,863.10x = 492,798,986,637,219,463,168 - Step 5: Solve for x
x = 492,798,986,637,219,463,168/18,125,469,863.10 - Step 6: Final answer
x = 27,188,204,794.65
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1.5x scale
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.