Finding the Fourth Proportional to 10,680,595,380.48, 14,738,942,394 and 5,922,859,198.08
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Solution
The fourth proportional to 10,680,595,380.48, 14,738,942,394 and 5,922,859,198.08 is: 8,173,390,847.46
Step by Step Solution
- Step 1: Write the proportion equation
10,680,595,380.48 : 14,738,942,394 = 5,922,859,198.08 : x - Step 2: Convert to fraction form
10,680,595,380.48/14,738,942,394 = 5,922,859,198.08/x - Step 3: Cross multiply
10,680,595,380.48x = 14,738,942,394 × 5,922,859,198.08 - Step 4: Simplify right side
10,680,595,380.48x = 87,296,680,528,274,161,664 - Step 5: Solve for x
x = 87,296,680,528,274,161,664/10,680,595,380.48 - Step 6: Final answer
x = 8,173,390,847.46
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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.