Finding the Fourth Proportional to 7,874,022,794.10, 11,811,034,191.15 and 7,275,407,651.70
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Solution
The fourth proportional to 7,874,022,794.10, 11,811,034,191.15 and 7,275,407,651.70 is: 10,913,111,477.55
Step by Step Solution
- Step 1: Write the proportion equation
7,874,022,794.10 : 11,811,034,191.15 = 7,275,407,651.70 : x - Step 2: Convert to fraction form
7,874,022,794.10/11,811,034,191.15 = 7,275,407,651.70/x - Step 3: Cross multiply
7,874,022,794.10x = 11,811,034,191.15 × 7,275,407,651.70 - Step 4: Simplify right side
7,874,022,794.10x = 85,930,088,528,783,032,320 - Step 5: Solve for x
x = 85,930,088,528,783,032,320/7,874,022,794.10 - Step 6: Final answer
x = 10,913,111,477.55
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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.