Finding the Fourth Proportional to 5,270,917,740.12, 7,273,880,293.64 and 2,859,600,107.44
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Solution
The fourth proportional to 5,270,917,740.12, 7,273,880,293.64 and 2,859,600,107.44 is: 3,946,255,641.76
Step by Step Solution
- Step 1: Write the proportion equation
5,270,917,740.12 : 7,273,880,293.64 = 2,859,600,107.44 : x - Step 2: Convert to fraction form
5,270,917,740.12/7,273,880,293.64 = 2,859,600,107.44/x - Step 3: Cross multiply
5,270,917,740.12x = 7,273,880,293.64 × 2,859,600,107.44 - Step 4: Simplify right side
5,270,917,740.12x = 20,800,388,869,198,643,200 - Step 5: Solve for x
x = 20,800,388,869,198,643,200/5,270,917,740.12 - Step 6: Final answer
x = 3,946,255,641.76
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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.