Finding the Fourth Proportional to 299,475,397.49, 449,212,493.85 and 281,251,378.04
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Solution
The fourth proportional to 299,475,397.49, 449,212,493.85 and 281,251,378.04 is: 421,876,501.32
Step by Step Solution
- Step 1: Write the proportion equation
299,475,397.49 : 449,212,493.85 = 281,251,378.04 : x - Step 2: Convert to fraction form
299,475,397.49/449,212,493.85 = 281,251,378.04/x - Step 3: Cross multiply
299,475,397.49x = 449,212,493.85 × 281,251,378.04 - Step 4: Simplify right side
299,475,397.49x = 126,341,632,925,851,488 - Step 5: Solve for x
x = 126,341,632,925,851,488/299,475,397.49 - Step 6: Final answer
x = 421,876,501.32
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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.