Finding the Fourth Proportional to 4,639,202,928.20, 6,402,310,861.43 and 2,734,044,811.22
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Solution
The fourth proportional to 4,639,202,928.20, 6,402,310,861.43 and 2,734,044,811.22 is: 3,773,106,083.40
Step by Step Solution
- Step 1: Write the proportion equation
4,639,202,928.20 : 6,402,310,861.43 = 2,734,044,811.22 : x - Step 2: Convert to fraction form
4,639,202,928.20/6,402,310,861.43 = 2,734,044,811.22/x - Step 3: Cross multiply
4,639,202,928.20x = 6,402,310,861.43 × 2,734,044,811.22 - Step 4: Simplify right side
4,639,202,928.20x = 17,504,204,790,532,978,688 - Step 5: Solve for x
x = 17,504,204,790,532,978,688/4,639,202,928.20 - Step 6: Final answer
x = 3,773,106,083.40
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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.