Finding the Fourth Proportional to 299,563,252.80, 449,344,879.20 and 265,523,035.20
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Solution
The fourth proportional to 299,563,252.80, 449,344,879.20 and 265,523,035.20 is: 398,284,552.80
Step by Step Solution
- Step 1: Write the proportion equation
299,563,252.80 : 449,344,879.20 = 265,523,035.20 : x - Step 2: Convert to fraction form
299,563,252.80/449,344,879.20 = 265,523,035.20/x - Step 3: Cross multiply
299,563,252.80x = 449,344,879.20 × 265,523,035.20 - Step 4: Simplify right side
299,563,252.80x = 119,311,416,176,761,344 - Step 5: Solve for x
x = 119,311,416,176,761,344/299,563,252.80 - Step 6: Final answer
x = 398,284,552.80
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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.