Finding the Fourth Proportional to 3,493,207,958,657, 5,239,918,685,059.50 and 1,198,440,221,313.80
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Solution
The fourth proportional to 3,493,207,958,657, 5,239,918,685,059.50 and 1,198,440,221,313.80 is: 1,797,696,954,464.55
Step by Step Solution
- Step 1: Write the proportion equation
3,493,207,958,657 : 5,239,918,685,059.50 = 1,198,440,221,313.80 : x - Step 2: Convert to fraction form
3,493,207,958,657/5,239,918,685,059.50 = 1,198,440,221,313.80/x - Step 3: Cross multiply
3,493,207,958,657x = 5,239,918,685,059.50 × 1,198,440,221,313.80 - Step 4: Simplify right side
3,493,207,958,657x = 6,279,729,308,589,023,341,576,192 - Step 5: Solve for x
x = 6,279,729,308,589,023,341,576,192/3,493,207,958,657 - Step 6: Final answer
x = 1,797,696,954,464.55
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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.