Finding the Fourth Proportional to 449,446,587.68, 620,211,272.32 and 248,491,844.19
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Solution
The fourth proportional to 449,446,587.68, 620,211,272.32 and 248,491,844.19 is: 342,904,912.55
Step by Step Solution
- Step 1: Write the proportion equation
449,446,587.68 : 620,211,272.32 = 248,491,844.19 : x - Step 2: Convert to fraction form
449,446,587.68/620,211,272.32 = 248,491,844.19/x - Step 3: Cross multiply
449,446,587.68x = 620,211,272.32 × 248,491,844.19 - Step 4: Simplify right side
449,446,587.68x = 154,117,442,846,533,696 - Step 5: Solve for x
x = 154,117,442,846,533,696/449,446,587.68 - Step 6: Final answer
x = 342,904,912.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.