Finding the Fourth Proportional to 299,385,862.20, 449,078,793.30 and 169,943,455.80
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Solution
The fourth proportional to 299,385,862.20, 449,078,793.30 and 169,943,455.80 is: 254,915,183.70
Step by Step Solution
- Step 1: Write the proportion equation
299,385,862.20 : 449,078,793.30 = 169,943,455.80 : x - Step 2: Convert to fraction form
299,385,862.20/449,078,793.30 = 169,943,455.80/x - Step 3: Cross multiply
299,385,862.20x = 449,078,793.30 × 169,943,455.80 - Step 4: Simplify right side
299,385,862.20x = 76,318,002,059,895,888 - Step 5: Solve for x
x = 76,318,002,059,895,888/299,385,862.20 - Step 6: Final answer
x = 254,915,183.70
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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.