Finding the Fourth Proportional to 7,996,393,610,240.40, 11,990,809,316,939 and 3,097,724,494,471.20
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Solution
The fourth proportional to 7,996,393,610,240.40, 11,990,809,316,939 and 3,097,724,494,471.20 is: 4,645,121,981,245.08
Step by Step Solution
- Step 1: Write the proportion equation
7,996,393,610,240.40 : 11,990,809,316,939 = 3,097,724,494,471.20 : x - Step 2: Convert to fraction form
7,996,393,610,240.40/11,990,809,316,939 = 3,097,724,494,471.20/x - Step 3: Cross multiply
7,996,393,610,240.40x = 11,990,809,316,939 × 3,097,724,494,471.20 - Step 4: Simplify right side
7,996,393,610,240.40x = 37,144,223,729,615,419,280,982,016 - Step 5: Solve for x
x = 37,144,223,729,615,419,280,982,016/7,996,393,610,240.40 - Step 6: Final answer
x = 4,645,121,981,245.08
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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.