Finding the Fourth Proportional to 371,682,910.80, 557,524,366.20 and 311,216,734.80
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Solution
The fourth proportional to 371,682,910.80, 557,524,366.20 and 311,216,734.80 is: 466,825,102.20
Step by Step Solution
- Step 1: Write the proportion equation
371,682,910.80 : 557,524,366.20 = 311,216,734.80 : x - Step 2: Convert to fraction form
371,682,910.80/557,524,366.20 = 311,216,734.80/x - Step 3: Cross multiply
371,682,910.80x = 557,524,366.20 × 311,216,734.80 - Step 4: Simplify right side
371,682,910.80x = 173,510,912,820,203,520 - Step 5: Solve for x
x = 173,510,912,820,203,520/371,682,910.80 - Step 6: Final answer
x = 466,825,102.20
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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.