Finding the Fourth Proportional to 4,550,331,414.62, 6,825,497,121.93 and 1,278,780,618.62
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Solution
The fourth proportional to 4,550,331,414.62, 6,825,497,121.93 and 1,278,780,618.62 is: 1,918,170,927.92
Step by Step Solution
- Step 1: Write the proportion equation
4,550,331,414.62 : 6,825,497,121.93 = 1,278,780,618.62 : x - Step 2: Convert to fraction form
4,550,331,414.62/6,825,497,121.93 = 1,278,780,618.62/x - Step 3: Cross multiply
4,550,331,414.62x = 6,825,497,121.93 × 1,278,780,618.62 - Step 4: Simplify right side
4,550,331,414.62x = 8,728,313,431,936,547,840 - Step 5: Solve for x
x = 8,728,313,431,936,547,840/4,550,331,414.62 - Step 6: Final answer
x = 1,918,170,927.92
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1.5x scale
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.