Finding the Fourth Proportional to 1,968,304,861.40, 2,952,882,444.90 and 588,258,872.60
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Solution
The fourth proportional to 1,968,304,861.40, 2,952,882,444.90 and 588,258,872.60 is: 882,515,372.50
Step by Step Solution
- Step 1: Write the proportion equation
1,968,304,861.40 : 2,952,882,444.90 = 588,258,872.60 : x - Step 2: Convert to fraction form
1,968,304,861.40/2,952,882,444.90 = 588,258,872.60/x - Step 3: Cross multiply
1,968,304,861.40x = 2,952,882,444.90 × 588,258,872.60 - Step 4: Simplify right side
1,968,304,861.40x = 1,737,059,297,957,205,760 - Step 5: Solve for x
x = 1,737,059,297,957,205,760/1,968,304,861.40 - Step 6: Final answer
x = 882,515,372.50
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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.