Finding the Fourth Proportional to 300,287,716.20, 450,431,574.30 and 235,790,461.80
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Solution
The fourth proportional to 300,287,716.20, 450,431,574.30 and 235,790,461.80 is: 353,685,692.70
Step by Step Solution
- Step 1: Write the proportion equation
300,287,716.20 : 450,431,574.30 = 235,790,461.80 : x - Step 2: Convert to fraction form
300,287,716.20/450,431,574.30 = 235,790,461.80/x - Step 3: Cross multiply
300,287,716.20x = 450,431,574.30 × 235,790,461.80 - Step 4: Simplify right side
300,287,716.20x = 106,207,468,913,498,016 - Step 5: Solve for x
x = 106,207,468,913,498,016/300,287,716.20 - Step 6: Final answer
x = 353,685,692.70
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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.