Finding the Fourth Proportional to 360,911,968.09, 498,045,626.97 and 204,275,711.75
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Solution
The fourth proportional to 360,911,968.09, 498,045,626.97 and 204,275,711.75 is: 281,893,187.06
Step by Step Solution
- Step 1: Write the proportion equation
360,911,968.09 : 498,045,626.97 = 204,275,711.75 : x - Step 2: Convert to fraction form
360,911,968.09/498,045,626.97 = 204,275,711.75/x - Step 3: Cross multiply
360,911,968.09x = 498,045,626.97 × 204,275,711.75 - Step 4: Simplify right side
360,911,968.09x = 101,738,624,933,271,744 - Step 5: Solve for x
x = 101,738,624,933,271,744/360,911,968.09 - Step 6: Final answer
x = 281,893,187.06
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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.