Finding the Fourth Proportional to 298,404,586.20, 447,606,879.30 and 177,173,635.80
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Solution
The fourth proportional to 298,404,586.20, 447,606,879.30 and 177,173,635.80 is: 265,760,453.70
Step by Step Solution
- Step 1: Write the proportion equation
298,404,586.20 : 447,606,879.30 = 177,173,635.80 : x - Step 2: Convert to fraction form
298,404,586.20/447,606,879.30 = 177,173,635.80/x - Step 3: Cross multiply
298,404,586.20x = 447,606,879.30 × 177,173,635.80 - Step 4: Simplify right side
298,404,586.20x = 79,304,138,214,672,768 - Step 5: Solve for x
x = 79,304,138,214,672,768/298,404,586.20 - Step 6: Final answer
x = 265,760,453.70
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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.