Finding the Fourth Proportional to 359,761,717.81, 496,474,593.74 and 211,085,368.53
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Solution
The fourth proportional to 359,761,717.81, 496,474,593.74 and 211,085,368.53 is: 291,299,817.07
Step by Step Solution
- Step 1: Write the proportion equation
359,761,717.81 : 496,474,593.74 = 211,085,368.53 : x - Step 2: Convert to fraction form
359,761,717.81/496,474,593.74 = 211,085,368.53/x - Step 3: Cross multiply
359,761,717.81x = 496,474,593.74 × 211,085,368.53 - Step 4: Simplify right side
359,761,717.81x = 104,798,522,585,389,936 - Step 5: Solve for x
x = 104,798,522,585,389,936/359,761,717.81 - Step 6: Final answer
x = 291,299,817.07
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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.