Finding the Fourth Proportional to 7,941,472,687.20, 11,909,424,944.14 and 2,343,916,236.80
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Solution
The fourth proportional to 7,941,472,687.20, 11,909,424,944.14 and 2,343,916,236.80 is: 3,515,052,635.33
Step by Step Solution
- Step 1: Write the proportion equation
7,941,472,687.20 : 11,909,424,944.14 = 2,343,916,236.80 : x - Step 2: Convert to fraction form
7,941,472,687.20/11,909,424,944.14 = 2,343,916,236.80/x - Step 3: Cross multiply
7,941,472,687.20x = 11,909,424,944.14 × 2,343,916,236.80 - Step 4: Simplify right side
7,941,472,687.20x = 27,914,694,497,520,680,960 - Step 5: Solve for x
x = 27,914,694,497,520,680,960/7,941,472,687.20 - Step 6: Final answer
x = 3,515,052,635.33
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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.