Finding the Fourth Proportional to 1,952,699,191.68, 2,693,165,689.20 and 1,284,330,383.68
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Solution
The fourth proportional to 1,952,699,191.68, 2,693,165,689.20 and 1,284,330,383.68 is: 1,771,350,414.68
Step by Step Solution
- Step 1: Write the proportion equation
1,952,699,191.68 : 2,693,165,689.20 = 1,284,330,383.68 : x - Step 2: Convert to fraction form
1,952,699,191.68/2,693,165,689.20 = 1,284,330,383.68/x - Step 3: Cross multiply
1,952,699,191.68x = 2,693,165,689.20 × 1,284,330,383.68 - Step 4: Simplify right side
1,952,699,191.68x = 3,458,914,522,924,047,360 - Step 5: Solve for x
x = 3,458,914,522,924,047,360/1,952,699,191.68 - Step 6: Final answer
x = 1,771,350,414.68
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.