Finding the Fourth Proportional to 465,277,091.44, 642,080,445.96 and 256,432,735.68
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Solution
The fourth proportional to 465,277,091.44, 642,080,445.96 and 256,432,735.68 is: 353,876,105.90
Step by Step Solution
- Step 1: Write the proportion equation
465,277,091.44 : 642,080,445.96 = 256,432,735.68 : x - Step 2: Convert to fraction form
465,277,091.44/642,080,445.96 = 256,432,735.68/x - Step 3: Cross multiply
465,277,091.44x = 642,080,445.96 × 256,432,735.68 - Step 4: Simplify right side
465,277,091.44x = 164,650,445,284,157,216 - Step 5: Solve for x
x = 164,650,445,284,157,216/465,277,091.44 - Step 6: Final answer
x = 353,876,105.90
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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.