Finding the Fourth Proportional to 331,948,122.30, 465,407,615.70 and 331,948,122.30
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Solution
The fourth proportional to 331,948,122.30, 465,407,615.70 and 331,948,122.30 is: 465,407,615.70
Step by Step Solution
- Step 1: Write the proportion equation
331,948,122.30 : 465,407,615.70 = 331,948,122.30 : x - Step 2: Convert to fraction form
331,948,122.30/465,407,615.70 = 331,948,122.30/x - Step 3: Cross multiply
331,948,122.30x = 465,407,615.70 × 331,948,122.30 - Step 4: Simplify right side
331,948,122.30x = 154,491,184,135,735,008 - Step 5: Solve for x
x = 154,491,184,135,735,008/331,948,122.30 - Step 6: Final answer
x = 465,407,615.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.