Finding the Fourth Proportional to 369,565,350.68, 509,965,297.50 and 220,856,865.88
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Solution
The fourth proportional to 369,565,350.68, 509,965,297.50 and 220,856,865.88 is: 304,761,626.34
Step by Step Solution
- Step 1: Write the proportion equation
369,565,350.68 : 509,965,297.50 = 220,856,865.88 : x - Step 2: Convert to fraction form
369,565,350.68/509,965,297.50 = 220,856,865.88/x - Step 3: Cross multiply
369,565,350.68x = 509,965,297.50 × 220,856,865.88 - Step 4: Simplify right side
369,565,350.68x = 112,629,337,313,411,792 - Step 5: Solve for x
x = 112,629,337,313,411,792/369,565,350.68 - Step 6: Final answer
x = 304,761,626.34
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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.