Finding the Fourth Proportional to 3,493,207,958,936.40, 5,239,918,685,478 and 1,198,440,221,592.50
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Solution
The fourth proportional to 3,493,207,958,936.40, 5,239,918,685,478 and 1,198,440,221,592.50 is: 1,797,696,954,882.40
Step by Step Solution
- Step 1: Write the proportion equation
3,493,207,958,936.40 : 5,239,918,685,478 = 1,198,440,221,592.50 : x - Step 2: Convert to fraction form
3,493,207,958,936.40/5,239,918,685,478 = 1,198,440,221,592.50/x - Step 3: Cross multiply
3,493,207,958,936.40x = 5,239,918,685,478 × 1,198,440,221,592.50 - Step 4: Simplify right side
3,493,207,958,936.40x = 6,279,729,310,550,935,411,359,744 - Step 5: Solve for x
x = 6,279,729,310,550,935,411,359,744/3,493,207,958,936.40 - Step 6: Final answer
x = 1,797,696,954,882.40
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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.