Finding the Fourth Proportional to 1,093,107,107.92, 1,638,343,306.28 and 502,081,773.38
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Solution
The fourth proportional to 1,093,107,107.92, 1,638,343,306.28 and 502,081,773.38 is: 752,517,577.34
Step by Step Solution
- Step 1: Write the proportion equation
1,093,107,107.92 : 1,638,343,306.28 = 502,081,773.38 : x - Step 2: Convert to fraction form
1,093,107,107.92/1,638,343,306.28 = 502,081,773.38/x - Step 3: Cross multiply
1,093,107,107.92x = 1,638,343,306.28 × 502,081,773.38 - Step 4: Simplify right side
1,093,107,107.92x = 822,582,312,622,314,880 - Step 5: Solve for x
x = 822,582,312,622,314,880/1,093,107,107.92 - Step 6: Final answer
x = 752,517,577.34
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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.