Finding the Fourth Proportional to 5,255,351,194.28, 7,883,047,243.05 and 1,271,428,919.19
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Solution
The fourth proportional to 5,255,351,194.28, 7,883,047,243.05 and 1,271,428,919.19 is: 1,907,148,326.66
Step by Step Solution
- Step 1: Write the proportion equation
5,255,351,194.28 : 7,883,047,243.05 = 1,271,428,919.19 : x - Step 2: Convert to fraction form
5,255,351,194.28/7,883,047,243.05 = 1,271,428,919.19/x - Step 3: Cross multiply
5,255,351,194.28x = 7,883,047,243.05 × 1,271,428,919.19 - Step 4: Simplify right side
5,255,351,194.28x = 10,022,734,236,150,067,200 - Step 5: Solve for x
x = 10,022,734,236,150,067,200/5,255,351,194.28 - Step 6: Final answer
x = 1,907,148,326.66
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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.