Finding the Fourth Proportional to 5,194,525,957.92, 7,168,253,775.74 and 2,815,612,819.31
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Solution
The fourth proportional to 5,194,525,957.92, 7,168,253,775.74 and 2,815,612,819.31 is: 3,885,441,594.96
Step by Step Solution
- Step 1: Write the proportion equation
5,194,525,957.92 : 7,168,253,775.74 = 2,815,612,819.31 : x - Step 2: Convert to fraction form
5,194,525,957.92/7,168,253,775.74 = 2,815,612,819.31/x - Step 3: Cross multiply
5,194,525,957.92x = 7,168,253,775.74 × 2,815,612,819.31 - Step 4: Simplify right side
5,194,525,957.92x = 20,183,027,222,990,934,016 - Step 5: Solve for x
x = 20,183,027,222,990,934,016/5,194,525,957.92 - Step 6: Final answer
x = 3,885,441,594.96
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1.5x scale
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.