Finding the Fourth Proportional to 6,679,388,394.09, 9,220,694,230.17 and 3,859,450,845.48
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Solution
The fourth proportional to 6,679,388,394.09, 9,220,694,230.17 and 3,859,450,845.48 is: 5,327,855,492.58
Step by Step Solution
- Step 1: Write the proportion equation
6,679,388,394.09 : 9,220,694,230.17 = 3,859,450,845.48 : x - Step 2: Convert to fraction form
6,679,388,394.09/9,220,694,230.17 = 3,859,450,845.48/x - Step 3: Cross multiply
6,679,388,394.09x = 9,220,694,230.17 × 3,859,450,845.48 - Step 4: Simplify right side
6,679,388,394.09x = 35,586,816,142,542,163,968 - Step 5: Solve for x
x = 35,586,816,142,542,163,968/6,679,388,394.09 - Step 6: Final answer
x = 5,327,855,492.58
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1.5x scale
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.