Finding the Fourth Proportional to 5,270,917,378.56, 7,273,879,795.60 and 2,859,599,746.12
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Solution
The fourth proportional to 5,270,917,378.56, 7,273,879,795.60 and 2,859,599,746.12 is: 3,946,255,143.63
Step by Step Solution
- Step 1: Write the proportion equation
5,270,917,378.56 : 7,273,879,795.60 = 2,859,599,746.12 : x - Step 2: Convert to fraction form
5,270,917,378.56/7,273,879,795.60 = 2,859,599,746.12/x - Step 3: Cross multiply
5,270,917,378.56x = 7,273,879,795.60 × 2,859,599,746.12 - Step 4: Simplify right side
5,270,917,378.56x = 20,800,384,816,805,158,912 - Step 5: Solve for x
x = 20,800,384,816,805,158,912/5,270,917,378.56 - Step 6: Final answer
x = 3,946,255,143.63
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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.