Finding the Fourth Proportional to 635,987,584.92, 953,981,710.08 and 199,322,278.12
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Solution
The fourth proportional to 635,987,584.92, 953,981,710.08 and 199,322,278.12 is: 298,983,521.45
Step by Step Solution
- Step 1: Write the proportion equation
635,987,584.92 : 953,981,710.08 = 199,322,278.12 : x - Step 2: Convert to fraction form
635,987,584.92/953,981,710.08 = 199,322,278.12/x - Step 3: Cross multiply
635,987,584.92x = 953,981,710.08 × 199,322,278.12 - Step 4: Simplify right side
635,987,584.92x = 190,149,807,737,958,976 - Step 5: Solve for x
x = 190,149,807,737,958,976/635,987,584.92 - Step 6: Final answer
x = 298,983,521.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.