Finding the Fourth Proportional to 352,503,230.22, 486,465,407.55 and 193,730,472.18
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Solution
The fourth proportional to 352,503,230.22, 486,465,407.55 and 193,730,472.18 is: 267,354,069.48
Step by Step Solution
- Step 1: Write the proportion equation
352,503,230.22 : 486,465,407.55 = 193,730,472.18 : x - Step 2: Convert to fraction form
352,503,230.22/486,465,407.55 = 193,730,472.18/x - Step 3: Cross multiply
352,503,230.22x = 486,465,407.55 × 193,730,472.18 - Step 4: Simplify right side
352,503,230.22x = 94,243,173,103,897,648 - Step 5: Solve for x
x = 94,243,173,103,897,648/352,503,230.22 - Step 6: Final answer
x = 267,354,069.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.