Finding the Fourth Proportional to 299,475,392.57, 449,212,486.46 and 281,251,373.11
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Solution
The fourth proportional to 299,475,392.57, 449,212,486.46 and 281,251,373.11 is: 421,876,493.92
Step by Step Solution
- Step 1: Write the proportion equation
299,475,392.57 : 449,212,486.46 = 281,251,373.11 : x - Step 2: Convert to fraction form
299,475,392.57/449,212,486.46 = 281,251,373.11/x - Step 3: Cross multiply
299,475,392.57x = 449,212,486.46 × 281,251,373.11 - Step 4: Simplify right side
299,475,392.57x = 126,341,628,634,045,392 - Step 5: Solve for x
x = 126,341,628,634,045,392/299,475,392.57 - Step 6: Final answer
x = 421,876,493.92
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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.