Finding the Fourth Proportional to 378,533,793.70, 567,853,834.65 and 119,722,026.70
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Solution
The fourth proportional to 378,533,793.70, 567,853,834.65 and 119,722,026.70 is: 179,599,848.38
Step by Step Solution
- Step 1: Write the proportion equation
378,533,793.70 : 567,853,834.65 = 119,722,026.70 : x - Step 2: Convert to fraction form
378,533,793.70/567,853,834.65 = 119,722,026.70/x - Step 3: Cross multiply
378,533,793.70x = 567,853,834.65 × 119,722,026.70 - Step 4: Simplify right side
378,533,793.70x = 67,984,611,953,664,680 - Step 5: Solve for x
x = 67,984,611,953,664,680/378,533,793.70 - Step 6: Final answer
x = 179,599,848.38
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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.