Finding the Fourth Proportional to 8,734,968,015.20, 13,102,452,022.80 and 3,837,207,759.20
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Solution
The fourth proportional to 8,734,968,015.20, 13,102,452,022.80 and 3,837,207,759.20 is: 5,755,811,638.80
Step by Step Solution
- Step 1: Write the proportion equation
8,734,968,015.20 : 13,102,452,022.80 = 3,837,207,759.20 : x - Step 2: Convert to fraction form
8,734,968,015.20/13,102,452,022.80 = 3,837,207,759.20/x - Step 3: Cross multiply
8,734,968,015.20x = 13,102,452,022.80 × 3,837,207,759.20 - Step 4: Simplify right side
8,734,968,015.20x = 50,276,830,566,433,890,304 - Step 5: Solve for x
x = 50,276,830,566,433,890,304/8,734,968,015.20 - Step 6: Final answer
x = 5,755,811,638.80
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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.