Finding the Fourth Proportional to 263,338,119.49, 394,722,067.74 and 171,287,639.41
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Solution
The fourth proportional to 263,338,119.49, 394,722,067.74 and 171,287,639.41 is: 256,746,009.04
Step by Step Solution
- Step 1: Write the proportion equation
263,338,119.49 : 394,722,067.74 = 171,287,639.41 : x - Step 2: Convert to fraction form
263,338,119.49/394,722,067.74 = 171,287,639.41/x - Step 3: Cross multiply
263,338,119.49x = 394,722,067.74 × 171,287,639.41 - Step 4: Simplify right side
263,338,119.49x = 67,611,011,206,218,712 - Step 5: Solve for x
x = 67,611,011,206,218,712/263,338,119.49 - Step 6: Final answer
x = 256,746,009.04
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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.