Finding the Fourth Proportional to 352,503,231.22, 486,465,408.93 and 193,730,473.18
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Solution
The fourth proportional to 352,503,231.22, 486,465,408.93 and 193,730,473.18 is: 267,354,070.86
Step by Step Solution
- Step 1: Write the proportion equation
352,503,231.22 : 486,465,408.93 = 193,730,473.18 : x - Step 2: Convert to fraction form
352,503,231.22/486,465,408.93 = 193,730,473.18/x - Step 3: Cross multiply
352,503,231.22x = 486,465,408.93 × 193,730,473.18 - Step 4: Simplify right side
352,503,231.22x = 94,243,173,857,711,104 - Step 5: Solve for x
x = 94,243,173,857,711,104/352,503,231.22 - Step 6: Final answer
x = 267,354,070.86
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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.