Finding the Fourth Proportional to 4,982,068,294.40, 7,473,102,441.60 and 3,147,479,724.80
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Solution
The fourth proportional to 4,982,068,294.40, 7,473,102,441.60 and 3,147,479,724.80 is: 4,721,219,587.20
Step by Step Solution
- Step 1: Write the proportion equation
4,982,068,294.40 : 7,473,102,441.60 = 3,147,479,724.80 : x - Step 2: Convert to fraction form
4,982,068,294.40/7,473,102,441.60 = 3,147,479,724.80/x - Step 3: Cross multiply
4,982,068,294.40x = 7,473,102,441.60 × 3,147,479,724.80 - Step 4: Simplify right side
4,982,068,294.40x = 23,521,438,416,289,378,304 - Step 5: Solve for x
x = 23,521,438,416,289,378,304/4,982,068,294.40 - Step 6: Final answer
x = 4,721,219,587.20
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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.