Finding the Fourth Proportional to 4,981,246,069.26, 7,473,756,217.66 and 2,990,678,223.90
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Solution
The fourth proportional to 4,981,246,069.26, 7,473,756,217.66 and 2,990,678,223.90 is: 4,487,150,335.50
Step by Step Solution
- Step 1: Write the proportion equation
4,981,246,069.26 : 7,473,756,217.66 = 2,990,678,223.90 : x - Step 2: Convert to fraction form
4,981,246,069.26/7,473,756,217.66 = 2,990,678,223.90/x - Step 3: Cross multiply
4,981,246,069.26x = 7,473,756,217.66 × 2,990,678,223.90 - Step 4: Simplify right side
4,981,246,069.26x = 22,351,599,970,892,992,512 - Step 5: Solve for x
x = 22,351,599,970,892,992,512/4,981,246,069.26 - Step 6: Final answer
x = 4,487,150,335.50
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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.