Finding the Fourth Proportional to 3,310,145,452.36, 4,965,728,361.90 and 1,128,601,405
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Solution
The fourth proportional to 3,310,145,452.36, 4,965,728,361.90 and 1,128,601,405 is: 1,693,076,055.64
Step by Step Solution
- Step 1: Write the proportion equation
3,310,145,452.36 : 4,965,728,361.90 = 1,128,601,405 : x - Step 2: Convert to fraction form
3,310,145,452.36/4,965,728,361.90 = 1,128,601,405/x - Step 3: Cross multiply
3,310,145,452.36x = 4,965,728,361.90 × 1,128,601,405 - Step 4: Simplify right side
3,310,145,452.36x = 5,604,328,006,088,687,616 - Step 5: Solve for x
x = 5,604,328,006,088,687,616/3,310,145,452.36 - Step 6: Final answer
x = 1,693,076,055.64
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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.