Finding the Fourth Proportional to 3,969,659,579.20, 5,954,489,368.80 and 1,639,822,235.20
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Solution
The fourth proportional to 3,969,659,579.20, 5,954,489,368.80 and 1,639,822,235.20 is: 2,459,733,352.80
Step by Step Solution
- Step 1: Write the proportion equation
3,969,659,579.20 : 5,954,489,368.80 = 1,639,822,235.20 : x - Step 2: Convert to fraction form
3,969,659,579.20/5,954,489,368.80 = 1,639,822,235.20/x - Step 3: Cross multiply
3,969,659,579.20x = 5,954,489,368.80 × 1,639,822,235.20 - Step 4: Simplify right side
3,969,659,579.20x = 9,764,304,066,220,253,184 - Step 5: Solve for x
x = 9,764,304,066,220,253,184/3,969,659,579.20 - Step 6: Final answer
x = 2,459,733,352.80
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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.