Finding the Fourth Proportional to 7,979,933,616,914.20, 11,968,690,995,173 and 2,171,836,861,812.90
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Solution
The fourth proportional to 7,979,933,616,914.20, 11,968,690,995,173 and 2,171,836,861,812.90 is: 3,257,426,131,449.02
Step by Step Solution
- Step 1: Write the proportion equation
7,979,933,616,914.20 : 11,968,690,995,173 = 2,171,836,861,812.90 : x - Step 2: Convert to fraction form
7,979,933,616,914.20/11,968,690,995,173 = 2,171,836,861,812.90/x - Step 3: Cross multiply
7,979,933,616,914.20x = 11,968,690,995,173 × 2,171,836,861,812.90 - Step 4: Simplify right side
7,979,933,616,914.20x = 25,994,044,290,964,840,507,244,544 - Step 5: Solve for x
x = 25,994,044,290,964,840,507,244,544/7,979,933,616,914.20 - Step 6: Final answer
x = 3,257,426,131,449.02
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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.