Finding the Fourth Proportional to 491,229,579.49, 677,652,093.76 and 292,851,290.41
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Solution
The fourth proportional to 491,229,579.49, 677,652,093.76 and 292,851,290.41 is: 403,988,885.02
Step by Step Solution
- Step 1: Write the proportion equation
491,229,579.49 : 677,652,093.76 = 292,851,290.41 : x - Step 2: Convert to fraction form
491,229,579.49/677,652,093.76 = 292,851,290.41/x - Step 3: Cross multiply
491,229,579.49x = 677,652,093.76 × 292,851,290.41 - Step 4: Simplify right side
491,229,579.49x = 198,451,290,106,654,336 - Step 5: Solve for x
x = 198,451,290,106,654,336/491,229,579.49 - Step 6: Final answer
x = 403,988,885.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.