Finding the Fourth Proportional to 7,748,193,114, 11,620,137,688.92 and 2,150,843,348.88
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Solution
The fourth proportional to 7,748,193,114, 11,620,137,688.92 and 2,150,843,348.88 is: 3,225,667,648.39
Step by Step Solution
- Step 1: Write the proportion equation
7,748,193,114 : 11,620,137,688.92 = 2,150,843,348.88 : x - Step 2: Convert to fraction form
7,748,193,114/11,620,137,688.92 = 2,150,843,348.88/x - Step 3: Cross multiply
7,748,193,114x = 11,620,137,688.92 × 2,150,843,348.88 - Step 4: Simplify right side
7,748,193,114x = 24,993,095,861,283,397,632 - Step 5: Solve for x
x = 24,993,095,861,283,397,632/7,748,193,114 - Step 6: Final answer
x = 3,225,667,648.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.