Finding the Fourth Proportional to 300,052,193.67, 449,495,926.97 and 221,125,360.05
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Solution
The fourth proportional to 300,052,193.67, 449,495,926.97 and 221,125,360.05 is: 331,258,863.58
Step by Step Solution
- Step 1: Write the proportion equation
300,052,193.67 : 449,495,926.97 = 221,125,360.05 : x - Step 2: Convert to fraction form
300,052,193.67/449,495,926.97 = 221,125,360.05/x - Step 3: Cross multiply
300,052,193.67x = 449,495,926.97 × 221,125,360.05 - Step 4: Simplify right side
300,052,193.67x = 99,394,948,691,144,128 - Step 5: Solve for x
x = 99,394,948,691,144,128/300,052,193.67 - Step 6: Final answer
x = 331,258,863.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.