Finding the Fourth Proportional to 384,336,121.58, 576,384,949.11 and 138,660,819.02
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Solution
The fourth proportional to 384,336,121.58, 576,384,949.11 and 138,660,819.02 is: 207,948,211.54
Step by Step Solution
- Step 1: Write the proportion equation
384,336,121.58 : 576,384,949.11 = 138,660,819.02 : x - Step 2: Convert to fraction form
384,336,121.58/576,384,949.11 = 138,660,819.02/x - Step 3: Cross multiply
384,336,121.58x = 576,384,949.11 × 138,660,819.02 - Step 4: Simplify right side
384,336,121.58x = 79,922,009,114,393,632 - Step 5: Solve for x
x = 79,922,009,114,393,632/384,336,121.58 - Step 6: Final answer
x = 207,948,211.54
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.