Finding the Fourth Proportional to 299,441,664.80, 449,162,497.20 and 255,603,687.20
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Solution
The fourth proportional to 299,441,664.80, 449,162,497.20 and 255,603,687.20 is: 383,405,530.80
Step by Step Solution
- Step 1: Write the proportion equation
299,441,664.80 : 449,162,497.20 = 255,603,687.20 : x - Step 2: Convert to fraction form
299,441,664.80/449,162,497.20 = 255,603,687.20/x - Step 3: Cross multiply
299,441,664.80x = 449,162,497.20 × 255,603,687.20 - Step 4: Simplify right side
299,441,664.80x = 114,807,590,436,279,664 - Step 5: Solve for x
x = 114,807,590,436,279,664/299,441,664.80 - Step 6: Final answer
x = 383,405,530.80
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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.