Finding the Fourth Proportional to 289,301,270.67, 399,268,871.94 and 162,176,283.97
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Solution
The fourth proportional to 289,301,270.67, 399,268,871.94 and 162,176,283.97 is: 223,821,837.37
Step by Step Solution
- Step 1: Write the proportion equation
289,301,270.67 : 399,268,871.94 = 162,176,283.97 : x - Step 2: Convert to fraction form
289,301,270.67/399,268,871.94 = 162,176,283.97/x - Step 3: Cross multiply
289,301,270.67x = 399,268,871.94 × 162,176,283.97 - Step 4: Simplify right side
289,301,270.67x = 64,751,941,956,123,000 - Step 5: Solve for x
x = 64,751,941,956,123,000/289,301,270.67 - Step 6: Final answer
x = 223,821,837.37
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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.