Finding the Fourth Proportional to 299,382,816.20, 449,074,224.30 and 169,940,409.80
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Solution
The fourth proportional to 299,382,816.20, 449,074,224.30 and 169,940,409.80 is: 254,910,614.70
Step by Step Solution
- Step 1: Write the proportion equation
299,382,816.20 : 449,074,224.30 = 169,940,409.80 : x - Step 2: Convert to fraction form
299,382,816.20/449,074,224.30 = 169,940,409.80/x - Step 3: Cross multiply
299,382,816.20x = 449,074,224.30 × 169,940,409.80 - Step 4: Simplify right side
299,382,816.20x = 76,315,857,708,159,120 - Step 5: Solve for x
x = 76,315,857,708,159,120/299,382,816.20 - Step 6: Final answer
x = 254,910,614.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.