Finding the Fourth Proportional to 359,761,716.81, 496,474,592.36 and 211,085,367.53
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Solution
The fourth proportional to 359,761,716.81, 496,474,592.36 and 211,085,367.53 is: 291,299,815.68
Step by Step Solution
- Step 1: Write the proportion equation
359,761,716.81 : 496,474,592.36 = 211,085,367.53 : x - Step 2: Convert to fraction form
359,761,716.81/496,474,592.36 = 211,085,367.53/x - Step 3: Cross multiply
359,761,716.81x = 496,474,592.36 × 211,085,367.53 - Step 4: Simplify right side
359,761,716.81x = 104,798,521,794,079,744 - Step 5: Solve for x
x = 104,798,521,794,079,744/359,761,716.81 - Step 6: Final answer
x = 291,299,815.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.