Finding the Fourth Proportional to 358,981,049.17, 538,315,186.11 and 190,682,990.84
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Solution
The fourth proportional to 358,981,049.17, 538,315,186.11 and 190,682,990.84 is: 285,941,416.52
Step by Step Solution
- Step 1: Write the proportion equation
358,981,049.17 : 538,315,186.11 = 190,682,990.84 : x - Step 2: Convert to fraction form
358,981,049.17/538,315,186.11 = 190,682,990.84/x - Step 3: Cross multiply
358,981,049.17x = 538,315,186.11 × 190,682,990.84 - Step 4: Simplify right side
358,981,049.17x = 102,647,549,701,092,608 - Step 5: Solve for x
x = 102,647,549,701,092,608/358,981,049.17 - Step 6: Final answer
x = 285,941,416.52
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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.