Finding the Fourth Proportional to 352,503,231.72, 486,465,409.62 and 193,730,473.68
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Solution
The fourth proportional to 352,503,231.72, 486,465,409.62 and 193,730,473.68 is: 267,354,071.55
Step by Step Solution
- Step 1: Write the proportion equation
352,503,231.72 : 486,465,409.62 = 193,730,473.68 : x - Step 2: Convert to fraction form
352,503,231.72/486,465,409.62 = 193,730,473.68/x - Step 3: Cross multiply
352,503,231.72x = 486,465,409.62 × 193,730,473.68 - Step 4: Simplify right side
352,503,231.72x = 94,243,174,234,617,840 - Step 5: Solve for x
x = 94,243,174,234,617,840/352,503,231.72 - Step 6: Final answer
x = 267,354,071.55
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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.