Finding the Fourth Proportional to 404,135,603.80, 606,203,405.70 and 274,995,440.80
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Solution
The fourth proportional to 404,135,603.80, 606,203,405.70 and 274,995,440.80 is: 412,493,161.20
Step by Step Solution
- Step 1: Write the proportion equation
404,135,603.80 : 606,203,405.70 = 274,995,440.80 : x - Step 2: Convert to fraction form
404,135,603.80/606,203,405.70 = 274,995,440.80/x - Step 3: Cross multiply
404,135,603.80x = 606,203,405.70 × 274,995,440.80 - Step 4: Simplify right side
404,135,603.80x = 166,703,172,764,932,768 - Step 5: Solve for x
x = 166,703,172,764,932,768/404,135,603.80 - Step 6: Final answer
x = 412,493,161.20
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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.