Finding the Fourth Proportional to 299,385,695.70, 449,078,543.55 and 169,943,289.30
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Solution
The fourth proportional to 299,385,695.70, 449,078,543.55 and 169,943,289.30 is: 254,914,933.95
Step by Step Solution
- Step 1: Write the proportion equation
299,385,695.70 : 449,078,543.55 = 169,943,289.30 : x - Step 2: Convert to fraction form
299,385,695.70/449,078,543.55 = 169,943,289.30/x - Step 3: Cross multiply
299,385,695.70x = 449,078,543.55 × 169,943,289.30 - Step 4: Simplify right side
299,385,695.70x = 76,317,884,844,940,304 - Step 5: Solve for x
x = 76,317,884,844,940,304/299,385,695.70 - Step 6: Final answer
x = 254,914,933.95
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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.