Finding the Fourth Proportional to 5,253,777,175.41, 7,250,212,272.15 and 2,874,915,309.20
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Solution
The fourth proportional to 5,253,777,175.41, 7,250,212,272.15 and 2,874,915,309.20 is: 3,967,383,000.88
Step by Step Solution
- Step 1: Write the proportion equation
5,253,777,175.41 : 7,250,212,272.15 = 2,874,915,309.20 : x - Step 2: Convert to fraction form
5,253,777,175.41/7,250,212,272.15 = 2,874,915,309.20/x - Step 3: Cross multiply
5,253,777,175.41x = 7,250,212,272.15 × 2,874,915,309.20 - Step 4: Simplify right side
5,253,777,175.41x = 20,843,746,256,117,501,952 - Step 5: Solve for x
x = 20,843,746,256,117,501,952/5,253,777,175.41 - Step 6: Final answer
x = 3,967,383,000.88
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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.