Finding the Fourth Proportional to 7,440,212,739, 11,161,935,158.80 and 2,718,527,070.70
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Solution
The fourth proportional to 7,440,212,739, 11,161,935,158.80 and 2,718,527,070.70 is: 4,078,381,083.31
Step by Step Solution
- Step 1: Write the proportion equation
7,440,212,739 : 11,161,935,158.80 = 2,718,527,070.70 : x - Step 2: Convert to fraction form
7,440,212,739/11,161,935,158.80 = 2,718,527,070.70/x - Step 3: Cross multiply
7,440,212,739x = 11,161,935,158.80 × 2,718,527,070.70 - Step 4: Simplify right side
7,440,212,739x = 30,344,022,890,540,093,440 - Step 5: Solve for x
x = 30,344,022,890,540,093,440/7,440,212,739 - Step 6: Final answer
x = 4,078,381,083.31
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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.