Finding the Fourth Proportional to 4,059,331,212.80, 6,088,996,819.20 and 1,993,088,604.80
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Solution
The fourth proportional to 4,059,331,212.80, 6,088,996,819.20 and 1,993,088,604.80 is: 2,989,632,907.20
Step by Step Solution
- Step 1: Write the proportion equation
4,059,331,212.80 : 6,088,996,819.20 = 1,993,088,604.80 : x - Step 2: Convert to fraction form
4,059,331,212.80/6,088,996,819.20 = 1,993,088,604.80/x - Step 3: Cross multiply
4,059,331,212.80x = 6,088,996,819.20 × 1,993,088,604.80 - Step 4: Simplify right side
4,059,331,212.80x = 12,135,910,175,010,965,504 - Step 5: Solve for x
x = 12,135,910,175,010,965,504/4,059,331,212.80 - Step 6: Final answer
x = 2,989,632,907.20
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1.5x scale
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.