Finding the Fourth Proportional to 1,093,614,905.62, 1,509,193,169.09 and 591,823,712.94
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Solution
The fourth proportional to 1,093,614,905.62, 1,509,193,169.09 and 591,823,712.94 is: 816,719,212.85
Step by Step Solution
- Step 1: Write the proportion equation
1,093,614,905.62 : 1,509,193,169.09 = 591,823,712.94 : x - Step 2: Convert to fraction form
1,093,614,905.62/1,509,193,169.09 = 591,823,712.94/x - Step 3: Cross multiply
1,093,614,905.62x = 1,509,193,169.09 × 591,823,712.94 - Step 4: Simplify right side
1,093,614,905.62x = 893,176,304,874,529,024 - Step 5: Solve for x
x = 893,176,304,874,529,024/1,093,614,905.62 - Step 6: Final answer
x = 816,719,212.85
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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.