Finding the Fourth Proportional to 491,229,578.49, 677,652,092.38 and 292,851,289.41
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Solution
The fourth proportional to 491,229,578.49, 677,652,092.38 and 292,851,289.41 is: 403,988,883.64
Step by Step Solution
- Step 1: Write the proportion equation
491,229,578.49 : 677,652,092.38 = 292,851,289.41 : x - Step 2: Convert to fraction form
491,229,578.49/677,652,092.38 = 292,851,289.41/x - Step 3: Cross multiply
491,229,578.49x = 677,652,092.38 × 292,851,289.41 - Step 4: Simplify right side
491,229,578.49x = 198,451,289,024,867,456 - Step 5: Solve for x
x = 198,451,289,024,867,456/491,229,578.49 - Step 6: Final answer
x = 403,988,883.64
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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.