Finding the Fourth Proportional to 6,679,388,394.35, 9,220,694,230.51 and 3,859,450,845.74
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Solution
The fourth proportional to 6,679,388,394.35, 9,220,694,230.51 and 3,859,450,845.74 is: 5,327,855,492.93
Step by Step Solution
- Step 1: Write the proportion equation
6,679,388,394.35 : 9,220,694,230.51 = 3,859,450,845.74 : x - Step 2: Convert to fraction form
6,679,388,394.35/9,220,694,230.51 = 3,859,450,845.74/x - Step 3: Cross multiply
6,679,388,394.35x = 9,220,694,230.51 × 3,859,450,845.74 - Step 4: Simplify right side
6,679,388,394.35x = 35,586,816,146,251,755,520 - Step 5: Solve for x
x = 35,586,816,146,251,755,520/6,679,388,394.35 - Step 6: Final answer
x = 5,327,855,492.93
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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.