Finding the Fourth Proportional to 402,226,942.80, 603,340,414.20 and 218,560,933.20
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Solution
The fourth proportional to 402,226,942.80, 603,340,414.20 and 218,560,933.20 is: 327,841,399.80
Step by Step Solution
- Step 1: Write the proportion equation
402,226,942.80 : 603,340,414.20 = 218,560,933.20 : x - Step 2: Convert to fraction form
402,226,942.80/603,340,414.20 = 218,560,933.20/x - Step 3: Cross multiply
402,226,942.80x = 603,340,414.20 × 218,560,933.20 - Step 4: Simplify right side
402,226,942.80x = 131,866,643,964,826,528 - Step 5: Solve for x
x = 131,866,643,964,826,528/402,226,942.80 - Step 6: Final answer
x = 327,841,399.80
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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.