Finding the Fourth Proportional to 428,083,189.09, 590,744,753.36 and 251,882,596.94
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Solution
The fourth proportional to 428,083,189.09, 590,744,753.36 and 251,882,596.94 is: 347,592,071.81
Step by Step Solution
- Step 1: Write the proportion equation
428,083,189.09 : 590,744,753.36 = 251,882,596.94 : x - Step 2: Convert to fraction form
428,083,189.09/590,744,753.36 = 251,882,596.94/x - Step 3: Cross multiply
428,083,189.09x = 590,744,753.36 × 251,882,596.94 - Step 4: Simplify right side
428,083,189.09x = 148,798,322,602,042,880 - Step 5: Solve for x
x = 148,798,322,602,042,880/428,083,189.09 - Step 6: Final answer
x = 347,592,071.81
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.