Finding the Fourth Proportional to 2,081,231,961.51, 2,872,281,719.04 and 1,141,616,207.43
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Solution
The fourth proportional to 2,081,231,961.51, 2,872,281,719.04 and 1,141,616,207.43 is: 1,575,529,985.80
Step by Step Solution
- Step 1: Write the proportion equation
2,081,231,961.51 : 2,872,281,719.04 = 1,141,616,207.43 : x - Step 2: Convert to fraction form
2,081,231,961.51/2,872,281,719.04 = 1,141,616,207.43/x - Step 3: Cross multiply
2,081,231,961.51x = 2,872,281,719.04 × 1,141,616,207.43 - Step 4: Simplify right side
2,081,231,961.51x = 3,279,043,362,760,965,632 - Step 5: Solve for x
x = 3,279,043,362,760,965,632/2,081,231,961.51 - Step 6: Final answer
x = 1,575,529,985.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.