Finding the Fourth Proportional to 621,993,194.10, 932,993,278.47 and 207,468,877.14
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Solution
The fourth proportional to 621,993,194.10, 932,993,278.47 and 207,468,877.14 is: 311,204,478.92
Step by Step Solution
- Step 1: Write the proportion equation
621,993,194.10 : 932,993,278.47 = 207,468,877.14 : x - Step 2: Convert to fraction form
621,993,194.10/932,993,278.47 = 207,468,877.14/x - Step 3: Cross multiply
621,993,194.10x = 932,993,278.47 × 207,468,877.14 - Step 4: Simplify right side
621,993,194.10x = 193,567,067,863,338,240 - Step 5: Solve for x
x = 193,567,067,863,338,240/621,993,194.10 - Step 6: Final answer
x = 311,204,478.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.