Finding the Fourth Proportional to 1,694,136,571.68, 2,337,965,178.12 and 941,481,474.24
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Solution
The fourth proportional to 1,694,136,571.68, 2,337,965,178.12 and 941,481,474.24 is: 1,299,275,949.42
Step by Step Solution
- Step 1: Write the proportion equation
1,694,136,571.68 : 2,337,965,178.12 = 941,481,474.24 : x - Step 2: Convert to fraction form
1,694,136,571.68/2,337,965,178.12 = 941,481,474.24/x - Step 3: Cross multiply
1,694,136,571.68x = 2,337,965,178.12 × 941,481,474.24 - Step 4: Simplify right side
1,694,136,571.68x = 2,201,150,902,618,201,600 - Step 5: Solve for x
x = 2,201,150,902,618,201,600/1,694,136,571.68 - Step 6: Final answer
x = 1,299,275,949.42
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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.