Finding the Fourth Proportional to 396,228,816.26, 546,846,211.62 and 239,597,044.28
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Solution
The fourth proportional to 396,228,816.26, 546,846,211.62 and 239,597,044.28 is: 330,674,424.99
Step by Step Solution
- Step 1: Write the proportion equation
396,228,816.26 : 546,846,211.62 = 239,597,044.28 : x - Step 2: Convert to fraction form
396,228,816.26/546,846,211.62 = 239,597,044.28/x - Step 3: Cross multiply
396,228,816.26x = 546,846,211.62 × 239,597,044.28 - Step 4: Simplify right side
396,228,816.26x = 131,022,735,979,867,392 - Step 5: Solve for x
x = 131,022,735,979,867,392/396,228,816.26 - Step 6: Final answer
x = 330,674,424.99
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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.