Finding the Fourth Proportional to 252,257,163.60, 378,385,745.40 and 252,257,163.60
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Solution
The fourth proportional to 252,257,163.60, 378,385,745.40 and 252,257,163.60 is: 378,385,745.40
Step by Step Solution
- Step 1: Write the proportion equation
252,257,163.60 : 378,385,745.40 = 252,257,163.60 : x - Step 2: Convert to fraction form
252,257,163.60/378,385,745.40 = 252,257,163.60/x - Step 3: Cross multiply
252,257,163.60x = 378,385,745.40 × 252,257,163.60 - Step 4: Simplify right side
252,257,163.60x = 95,450,514,881,275,744 - Step 5: Solve for x
x = 95,450,514,881,275,744/252,257,163.60 - Step 6: Final answer
x = 378,385,745.40
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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.