Finding the Fourth Proportional to 4,540,647,468.30, 6,810,971,202.45 and 2,091,767,340.30
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Solution
The fourth proportional to 4,540,647,468.30, 6,810,971,202.45 and 2,091,767,340.30 is: 3,137,651,010.45
Step by Step Solution
- Step 1: Write the proportion equation
4,540,647,468.30 : 6,810,971,202.45 = 2,091,767,340.30 : x - Step 2: Convert to fraction form
4,540,647,468.30/6,810,971,202.45 = 2,091,767,340.30/x - Step 3: Cross multiply
4,540,647,468.30x = 6,810,971,202.45 × 2,091,767,340.30 - Step 4: Simplify right side
4,540,647,468.30x = 14,246,967,117,008,728,064 - Step 5: Solve for x
x = 14,246,967,117,008,728,064/4,540,647,468.30 - Step 6: Final answer
x = 3,137,651,010.45
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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.