Finding the Fourth Proportional to 298,863,727.11, 412,442,198.24 and 173,406,450.24
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Solution
The fourth proportional to 298,863,727.11, 412,442,198.24 and 173,406,450.24 is: 239,306,851.38
Step by Step Solution
- Step 1: Write the proportion equation
298,863,727.11 : 412,442,198.24 = 173,406,450.24 : x - Step 2: Convert to fraction form
298,863,727.11/412,442,198.24 = 173,406,450.24/x - Step 3: Cross multiply
298,863,727.11x = 412,442,198.24 × 173,406,450.24 - Step 4: Simplify right side
298,863,727.11x = 71,520,137,525,113,752 - Step 5: Solve for x
x = 71,520,137,525,113,752/298,863,727.11 - Step 6: Final answer
x = 239,306,851.38
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1.5x scale
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.