Finding the Fourth Proportional to 236,191,605.60, 354,287,408.40 and 198,568,207.20
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Solution
The fourth proportional to 236,191,605.60, 354,287,408.40 and 198,568,207.20 is: 297,852,310.80
Step by Step Solution
- Step 1: Write the proportion equation
236,191,605.60 : 354,287,408.40 = 198,568,207.20 : x - Step 2: Convert to fraction form
236,191,605.60/354,287,408.40 = 198,568,207.20/x - Step 3: Cross multiply
236,191,605.60x = 354,287,408.40 × 198,568,207.20 - Step 4: Simplify right side
236,191,605.60x = 70,350,215,519,522,208 - Step 5: Solve for x
x = 70,350,215,519,522,208/236,191,605.60 - Step 6: Final answer
x = 297,852,310.80
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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.