Finding the Fourth Proportional to 325,846,833.24, 449,684,785.67 and 202,127,368.44
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Solution
The fourth proportional to 325,846,833.24, 449,684,785.67 and 202,127,368.44 is: 278,945,790.12
Step by Step Solution
- Step 1: Write the proportion equation
325,846,833.24 : 449,684,785.67 = 202,127,368.44 : x - Step 2: Convert to fraction form
325,846,833.24/449,684,785.67 = 202,127,368.44/x - Step 3: Cross multiply
325,846,833.24x = 449,684,785.67 × 202,127,368.44 - Step 4: Simplify right side
325,846,833.24x = 90,893,602,354,982,528 - Step 5: Solve for x
x = 90,893,602,354,982,528/325,846,833.24 - Step 6: Final answer
x = 278,945,790.12
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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.