Finding the Fourth Proportional to 664,306,370.70, 996,459,556.05 and 276,407,584.80
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Solution
The fourth proportional to 664,306,370.70, 996,459,556.05 and 276,407,584.80 is: 414,611,377.20
Step by Step Solution
- Step 1: Write the proportion equation
664,306,370.70 : 996,459,556.05 = 276,407,584.80 : x - Step 2: Convert to fraction form
664,306,370.70/996,459,556.05 = 276,407,584.80/x - Step 3: Cross multiply
664,306,370.70x = 996,459,556.05 × 276,407,584.80 - Step 4: Simplify right side
664,306,370.70x = 275,428,979,238,660,736 - Step 5: Solve for x
x = 275,428,979,238,660,736/664,306,370.70 - Step 6: Final answer
x = 414,611,377.20
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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.