Finding the Fourth Proportional to 5,387,917,604.85, 8,081,876,407.28 and 3,183,925,489.65
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Solution
The fourth proportional to 5,387,917,604.85, 8,081,876,407.28 and 3,183,925,489.65 is: 4,775,888,234.48
Step by Step Solution
- Step 1: Write the proportion equation
5,387,917,604.85 : 8,081,876,407.28 = 3,183,925,489.65 : x - Step 2: Convert to fraction form
5,387,917,604.85/8,081,876,407.28 = 3,183,925,489.65/x - Step 3: Cross multiply
5,387,917,604.85x = 8,081,876,407.28 × 3,183,925,489.65 - Step 4: Simplify right side
5,387,917,604.85x = 25,732,092,297,323,835,392 - Step 5: Solve for x
x = 25,732,092,297,323,835,392/5,387,917,604.85 - Step 6: Final answer
x = 4,775,888,234.48
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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.