Finding the Fourth Proportional to 360,499,514.94, 497,510,180.49 and 201,728,252.09
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Solution
The fourth proportional to 360,499,514.94, 497,510,180.49 and 201,728,252.09 is: 278,396,655.05
Step by Step Solution
- Step 1: Write the proportion equation
360,499,514.94 : 497,510,180.49 = 201,728,252.09 : x - Step 2: Convert to fraction form
360,499,514.94/497,510,180.49 = 201,728,252.09/x - Step 3: Cross multiply
360,499,514.94x = 497,510,180.49 × 201,728,252.09 - Step 4: Simplify right side
360,499,514.94x = 100,361,859,104,740,576 - Step 5: Solve for x
x = 100,361,859,104,740,576/360,499,514.94 - Step 6: Final answer
x = 278,396,655.05
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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.