Finding the Fourth Proportional to 384,336,121.08, 576,384,948.36 and 138,660,818.52
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Solution
The fourth proportional to 384,336,121.08, 576,384,948.36 and 138,660,818.52 is: 207,948,210.79
Step by Step Solution
- Step 1: Write the proportion equation
384,336,121.08 : 576,384,948.36 = 138,660,818.52 : x - Step 2: Convert to fraction form
384,336,121.08/576,384,948.36 = 138,660,818.52/x - Step 3: Cross multiply
384,336,121.08x = 576,384,948.36 × 138,660,818.52 - Step 4: Simplify right side
384,336,121.08x = 79,922,008,722,205,536 - Step 5: Solve for x
x = 79,922,008,722,205,536/384,336,121.08 - Step 6: Final answer
x = 207,948,210.79
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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.