Finding the Fourth Proportional to 441,613,731.92, 609,431,118.18 and 243,382,477.28
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Solution
The fourth proportional to 441,613,731.92, 609,431,118.18 and 243,382,477.28 is: 335,870,115.79
Step by Step Solution
- Step 1: Write the proportion equation
441,613,731.92 : 609,431,118.18 = 243,382,477.28 : x - Step 2: Convert to fraction form
441,613,731.92/609,431,118.18 = 243,382,477.28/x - Step 3: Cross multiply
441,613,731.92x = 609,431,118.18 × 243,382,477.28 - Step 4: Simplify right side
441,613,731.92x = 148,324,855,274,168,832 - Step 5: Solve for x
x = 148,324,855,274,168,832/441,613,731.92 - Step 6: Final answer
x = 335,870,115.79
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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.