Finding the Fourth Proportional to 298,729,964.27, 412,252,427.81 and 164,783,249.12
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Solution
The fourth proportional to 298,729,964.27, 412,252,427.81 and 164,783,249.12 is: 227,403,684.39
Step by Step Solution
- Step 1: Write the proportion equation
298,729,964.27 : 412,252,427.81 = 164,783,249.12 : x - Step 2: Convert to fraction form
298,729,964.27/412,252,427.81 = 164,783,249.12/x - Step 3: Cross multiply
298,729,964.27x = 412,252,427.81 × 164,783,249.12 - Step 4: Simplify right side
298,729,964.27x = 67,932,294,512,140,048 - Step 5: Solve for x
x = 67,932,294,512,140,048/298,729,964.27 - Step 6: Final answer
x = 227,403,684.39
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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.