Finding the Fourth Proportional to 315,987,713.80, 473,981,570.70 and 162,932,705.80
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Solution
The fourth proportional to 315,987,713.80, 473,981,570.70 and 162,932,705.80 is: 244,399,058.70
Step by Step Solution
- Step 1: Write the proportion equation
315,987,713.80 : 473,981,570.70 = 162,932,705.80 : x - Step 2: Convert to fraction form
315,987,713.80/473,981,570.70 = 162,932,705.80/x - Step 3: Cross multiply
315,987,713.80x = 473,981,570.70 × 162,932,705.80 - Step 4: Simplify right side
315,987,713.80x = 77,227,099,813,485,008 - Step 5: Solve for x
x = 77,227,099,813,485,008/315,987,713.80 - Step 6: Final answer
x = 244,399,058.70
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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.