Finding the Fourth Proportional to 306,344,814.97, 457,127,910.20 and 273,328,420.18
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Solution
The fourth proportional to 306,344,814.97, 457,127,910.20 and 273,328,420.18 is: 407,860,826.79
Step by Step Solution
- Step 1: Write the proportion equation
306,344,814.97 : 457,127,910.20 = 273,328,420.18 : x - Step 2: Convert to fraction form
306,344,814.97/457,127,910.20 = 273,328,420.18/x - Step 3: Cross multiply
306,344,814.97x = 457,127,910.20 × 273,328,420.18 - Step 4: Simplify right side
306,344,814.97x = 124,946,049,515,150,912 - Step 5: Solve for x
x = 124,946,049,515,150,912/306,344,814.97 - Step 6: Final answer
x = 407,860,826.79
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.