Finding the Fourth Proportional to 6,471,863,231.22, 8,928,629,979.75 and 3,758,669,150.94
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Solution
The fourth proportional to 6,471,863,231.22, 8,928,629,979.75 and 3,758,669,150.94 is: 5,185,487,527.48
Step by Step Solution
- Step 1: Write the proportion equation
6,471,863,231.22 : 8,928,629,979.75 = 3,758,669,150.94 : x - Step 2: Convert to fraction form
6,471,863,231.22/8,928,629,979.75 = 3,758,669,150.94/x - Step 3: Cross multiply
6,471,863,231.22x = 8,928,629,979.75 × 3,758,669,150.94 - Step 4: Simplify right side
6,471,863,231.22x = 33,559,766,065,045,868,544 - Step 5: Solve for x
x = 33,559,766,065,045,868,544/6,471,863,231.22 - Step 6: Final answer
x = 5,185,487,527.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.