Finding the Fourth Proportional to 3,657,102,771.12, 5,046,715,982.97 and 2,151,826,620
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Solution
The fourth proportional to 3,657,102,771.12, 5,046,715,982.97 and 2,151,826,620 is: 2,969,470,226.95
Step by Step Solution
- Step 1: Write the proportion equation
3,657,102,771.12 : 5,046,715,982.97 = 2,151,826,620 : x - Step 2: Convert to fraction form
3,657,102,771.12/5,046,715,982.97 = 2,151,826,620/x - Step 3: Cross multiply
3,657,102,771.12x = 5,046,715,982.97 × 2,151,826,620 - Step 4: Simplify right side
3,657,102,771.12x = 10,859,657,795,734,312,960 - Step 5: Solve for x
x = 10,859,657,795,734,312,960/3,657,102,771.12 - Step 6: Final answer
x = 2,969,470,226.95
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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.