Finding the Fourth Proportional to 411,954,959.62, 568,498,073.92 and 226,327,932.74
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Solution
The fourth proportional to 411,954,959.62, 568,498,073.92 and 226,327,932.74 is: 312,332,673.35
Step by Step Solution
- Step 1: Write the proportion equation
411,954,959.62 : 568,498,073.92 = 226,327,932.74 : x - Step 2: Convert to fraction form
411,954,959.62/568,498,073.92 = 226,327,932.74/x - Step 3: Cross multiply
411,954,959.62x = 568,498,073.92 × 226,327,932.74 - Step 4: Simplify right side
411,954,959.62x = 128,666,993,836,985,296 - Step 5: Solve for x
x = 128,666,993,836,985,296/411,954,959.62 - Step 6: Final answer
x = 312,332,673.35
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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.