Finding the Fourth Proportional to 352,442,734.92, 486,342,424.80 and 203,773,403.88
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Solution
The fourth proportional to 352,442,734.92, 486,342,424.80 and 203,773,403.88 is: 281,190,790.83
Step by Step Solution
- Step 1: Write the proportion equation
352,442,734.92 : 486,342,424.80 = 203,773,403.88 : x - Step 2: Convert to fraction form
352,442,734.92/486,342,424.80 = 203,773,403.88/x - Step 3: Cross multiply
352,442,734.92x = 486,342,424.80 × 203,773,403.88 - Step 4: Simplify right side
352,442,734.92x = 99,103,651,352,748,928 - Step 5: Solve for x
x = 99,103,651,352,748,928/352,442,734.92 - Step 6: Final answer
x = 281,190,790.83
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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.