Finding the Fourth Proportional to 757,375,052.05, 1,136,062,578.08 and 349,228,364.05
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Solution
The fourth proportional to 757,375,052.05, 1,136,062,578.08 and 349,228,364.05 is: 523,842,546.08
Step by Step Solution
- Step 1: Write the proportion equation
757,375,052.05 : 1,136,062,578.08 = 349,228,364.05 : x - Step 2: Convert to fraction form
757,375,052.05/1,136,062,578.08 = 349,228,364.05/x - Step 3: Cross multiply
757,375,052.05x = 1,136,062,578.08 × 349,228,364.05 - Step 4: Simplify right side
757,375,052.05x = 396,745,275,599,557,696 - Step 5: Solve for x
x = 396,745,275,599,557,696/757,375,052.05 - Step 6: Final answer
x = 523,842,546.08
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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.