Finding the Fourth Proportional to 392,273,370.24, 541,340,902.08 and 216,067,620.48
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Solution
The fourth proportional to 392,273,370.24, 541,340,902.08 and 216,067,620.48 is: 298,175,327.35
Step by Step Solution
- Step 1: Write the proportion equation
392,273,370.24 : 541,340,902.08 = 216,067,620.48 : x - Step 2: Convert to fraction form
392,273,370.24/541,340,902.08 = 216,067,620.48/x - Step 3: Cross multiply
392,273,370.24x = 541,340,902.08 × 216,067,620.48 - Step 4: Simplify right side
392,273,370.24x = 116,966,240,580,922,288 - Step 5: Solve for x
x = 116,966,240,580,922,288/392,273,370.24 - Step 6: Final answer
x = 298,175,327.35
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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.