Finding the Fourth Proportional to 422,128,357.92, 582,537,190.24 and 233,968,786.56
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Solution
The fourth proportional to 422,128,357.92, 582,537,190.24 and 233,968,786.56 is: 322,876,956.66
Step by Step Solution
- Step 1: Write the proportion equation
422,128,357.92 : 582,537,190.24 = 233,968,786.56 : x - Step 2: Convert to fraction form
422,128,357.92/582,537,190.24 = 233,968,786.56/x - Step 3: Cross multiply
422,128,357.92x = 582,537,190.24 × 233,968,786.56 - Step 4: Simplify right side
422,128,357.92x = 136,295,519,526,524,672 - Step 5: Solve for x
x = 136,295,519,526,524,672/422,128,357.92 - Step 6: Final answer
x = 322,876,956.66
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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.