Finding the Fourth Proportional to 6,351,055,276.40, 9,526,582,914.60 and 6,109,993,638.80
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Solution
The fourth proportional to 6,351,055,276.40, 9,526,582,914.60 and 6,109,993,638.80 is: 9,164,990,458.20
Step by Step Solution
- Step 1: Write the proportion equation
6,351,055,276.40 : 9,526,582,914.60 = 6,109,993,638.80 : x - Step 2: Convert to fraction form
6,351,055,276.40/9,526,582,914.60 = 6,109,993,638.80/x - Step 3: Cross multiply
6,351,055,276.40x = 9,526,582,914.60 × 6,109,993,638.80 - Step 4: Simplify right side
6,351,055,276.40x = 58,207,361,007,706,767,360 - Step 5: Solve for x
x = 58,207,361,007,706,767,360/6,351,055,276.40 - Step 6: Final answer
x = 9,164,990,458.20
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Double scale
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Similar ratio
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1.5x scale
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.