Finding the Fourth Proportional to 557,366,743.28, 835,582,446.84 and 246,424,157.12
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Solution
The fourth proportional to 557,366,743.28, 835,582,446.84 and 246,424,157.12 is: 369,429,469.28
Step by Step Solution
- Step 1: Write the proportion equation
557,366,743.28 : 835,582,446.84 = 246,424,157.12 : x - Step 2: Convert to fraction form
557,366,743.28/835,582,446.84 = 246,424,157.12/x - Step 3: Cross multiply
557,366,743.28x = 835,582,446.84 × 246,424,157.12 - Step 4: Simplify right side
557,366,743.28x = 205,907,700,166,814,208 - Step 5: Solve for x
x = 205,907,700,166,814,208/557,366,743.28 - Step 6: Final answer
x = 369,429,469.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.