Finding the Fourth Proportional to 327,675,978.26, 491,510,604.36 and 189,413,609.74
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Solution
The fourth proportional to 327,675,978.26, 491,510,604.36 and 189,413,609.74 is: 284,118,470.60
Step by Step Solution
- Step 1: Write the proportion equation
327,675,978.26 : 491,510,604.36 = 189,413,609.74 : x - Step 2: Convert to fraction form
327,675,978.26/491,510,604.36 = 189,413,609.74/x - Step 3: Cross multiply
327,675,978.26x = 491,510,604.36 × 189,413,609.74 - Step 4: Simplify right side
327,675,978.26x = 93,098,797,795,731,712 - Step 5: Solve for x
x = 93,098,797,795,731,712/327,675,978.26 - Step 6: Final answer
x = 284,118,470.60
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.