Finding the Fourth Proportional to 369,565,349.68, 509,965,296.12 and 220,856,864.88
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Solution
The fourth proportional to 369,565,349.68, 509,965,296.12 and 220,856,864.88 is: 304,761,624.96
Step by Step Solution
- Step 1: Write the proportion equation
369,565,349.68 : 509,965,296.12 = 220,856,864.88 : x - Step 2: Convert to fraction form
369,565,349.68/509,965,296.12 = 220,856,864.88/x - Step 3: Cross multiply
369,565,349.68x = 509,965,296.12 × 220,856,864.88 - Step 4: Simplify right side
369,565,349.68x = 112,629,336,498,664,032 - Step 5: Solve for x
x = 112,629,336,498,664,032/369,565,349.68 - Step 6: Final answer
x = 304,761,624.96
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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.