Finding the Fourth Proportional to 366,524,012.97, 505,790,123.99 and 201,510,380.97
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Solution
The fourth proportional to 366,524,012.97, 505,790,123.99 and 201,510,380.97 is: 278,077,170.85
Step by Step Solution
- Step 1: Write the proportion equation
366,524,012.97 : 505,790,123.99 = 201,510,380.97 : x - Step 2: Convert to fraction form
366,524,012.97/505,790,123.99 = 201,510,380.97/x - Step 3: Cross multiply
366,524,012.97x = 505,790,123.99 × 201,510,380.97 - Step 4: Simplify right side
366,524,012.97x = 101,921,960,575,080,880 - Step 5: Solve for x
x = 101,921,960,575,080,880/366,524,012.97 - Step 6: Final answer
x = 278,077,170.85
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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.