Finding the Fourth Proportional to 4,656,859,963.20, 6,985,289,944.80 and 3,738,529,915.20
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Solution
The fourth proportional to 4,656,859,963.20, 6,985,289,944.80 and 3,738,529,915.20 is: 5,607,794,872.80
Step by Step Solution
- Step 1: Write the proportion equation
4,656,859,963.20 : 6,985,289,944.80 = 3,738,529,915.20 : x - Step 2: Convert to fraction form
4,656,859,963.20/6,985,289,944.80 = 3,738,529,915.20/x - Step 3: Cross multiply
4,656,859,963.20x = 6,985,289,944.80 × 3,738,529,915.20 - Step 4: Simplify right side
4,656,859,963.20x = 26,114,715,424,980,557,824 - Step 5: Solve for x
x = 26,114,715,424,980,557,824/4,656,859,963.20 - Step 6: Final answer
x = 5,607,794,872.80
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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.