Finding the Fourth Proportional to 416,563,872.66, 574,836,173.58 and 237,912,639.08
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Solution
The fourth proportional to 416,563,872.66, 574,836,173.58 and 237,912,639.08 is: 328,306,893.78
Step by Step Solution
- Step 1: Write the proportion equation
416,563,872.66 : 574,836,173.58 = 237,912,639.08 : x - Step 2: Convert to fraction form
416,563,872.66/574,836,173.58 = 237,912,639.08/x - Step 3: Cross multiply
416,563,872.66x = 574,836,173.58 × 237,912,639.08 - Step 4: Simplify right side
416,563,872.66x = 136,760,791,093,084,752 - Step 5: Solve for x
x = 136,760,791,093,084,752/416,563,872.66 - Step 6: Final answer
x = 328,306,893.78
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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.