Finding the Fourth Proportional to 534,699,107.10, 802,048,660.65 and 515,328,082.65
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Solution
The fourth proportional to 534,699,107.10, 802,048,660.65 and 515,328,082.65 is: 772,992,123.98
Step by Step Solution
- Step 1: Write the proportion equation
534,699,107.10 : 802,048,660.65 = 515,328,082.65 : x - Step 2: Convert to fraction form
534,699,107.10/802,048,660.65 = 515,328,082.65/x - Step 3: Cross multiply
534,699,107.10x = 802,048,660.65 × 515,328,082.65 - Step 4: Simplify right side
534,699,107.10x = 413,318,198,484,764,992 - Step 5: Solve for x
x = 413,318,198,484,764,992/534,699,107.10 - Step 6: Final answer
x = 772,992,123.98
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Similar ratio
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1.5x scale
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.