Finding the Fourth Proportional to 4,982,068,559.40, 7,473,102,839.10 and 3,147,479,989.80
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Solution
The fourth proportional to 4,982,068,559.40, 7,473,102,839.10 and 3,147,479,989.80 is: 4,721,219,984.70
Step by Step Solution
- Step 1: Write the proportion equation
4,982,068,559.40 : 7,473,102,839.10 = 3,147,479,989.80 : x - Step 2: Convert to fraction form
4,982,068,559.40/7,473,102,839.10 = 3,147,479,989.80/x - Step 3: Cross multiply
4,982,068,559.40x = 7,473,102,839.10 × 3,147,479,989.80 - Step 4: Simplify right side
4,982,068,559.40x = 23,521,441,647,784,820,736 - Step 5: Solve for x
x = 23,521,441,647,784,820,736/4,982,068,559.40 - Step 6: Final answer
x = 4,721,219,984.70
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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.