Finding the Fourth Proportional to 2,636,952,023.70, 3,956,057,891.55 and 796,722,743.70
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Solution
The fourth proportional to 2,636,952,023.70, 3,956,057,891.55 and 796,722,743.70 is: 1,195,274,418.82
Step by Step Solution
- Step 1: Write the proportion equation
2,636,952,023.70 : 3,956,057,891.55 = 796,722,743.70 : x - Step 2: Convert to fraction form
2,636,952,023.70/3,956,057,891.55 = 796,722,743.70/x - Step 3: Cross multiply
2,636,952,023.70x = 3,956,057,891.55 × 796,722,743.70 - Step 4: Simplify right side
2,636,952,023.70x = 3,151,881,297,591,753,216 - Step 5: Solve for x
x = 3,151,881,297,591,753,216/2,636,952,023.70 - Step 6: Final answer
x = 1,195,274,418.82
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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.