Finding the Fourth Proportional to 378,067,807.80, 567,101,711.70 and 332,718,175.80
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Solution
The fourth proportional to 378,067,807.80, 567,101,711.70 and 332,718,175.80 is: 499,077,263.70
Step by Step Solution
- Step 1: Write the proportion equation
378,067,807.80 : 567,101,711.70 = 332,718,175.80 : x - Step 2: Convert to fraction form
378,067,807.80/567,101,711.70 = 332,718,175.80/x - Step 3: Cross multiply
378,067,807.80x = 567,101,711.70 × 332,718,175.80 - Step 4: Simplify right side
378,067,807.80x = 188,685,047,009,881,536 - Step 5: Solve for x
x = 188,685,047,009,881,536/378,067,807.80 - Step 6: Final answer
x = 499,077,263.70
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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.