Finding the Fourth Proportional to 279,990,795.07, 386,532,575.67 and 204,552,519.13
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Solution
The fourth proportional to 279,990,795.07, 386,532,575.67 and 204,552,519.13 is: 282,388,612.31
Step by Step Solution
- Step 1: Write the proportion equation
279,990,795.07 : 386,532,575.67 = 204,552,519.13 : x - Step 2: Convert to fraction form
279,990,795.07/386,532,575.67 = 204,552,519.13/x - Step 3: Cross multiply
279,990,795.07x = 386,532,575.67 × 204,552,519.13 - Step 4: Simplify right side
279,990,795.07x = 79,066,212,079,105,856 - Step 5: Solve for x
x = 79,066,212,079,105,856/279,990,795.07 - Step 6: Final answer
x = 282,388,612.31
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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.