Finding the Fourth Proportional to 336,998,905.70, 505,498,358.55 and 336,998,905.70
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Solution
The fourth proportional to 336,998,905.70, 505,498,358.55 and 336,998,905.70 is: 505,498,358.55
Step by Step Solution
- Step 1: Write the proportion equation
336,998,905.70 : 505,498,358.55 = 336,998,905.70 : x - Step 2: Convert to fraction form
336,998,905.70/505,498,358.55 = 336,998,905.70/x - Step 3: Cross multiply
336,998,905.70x = 505,498,358.55 × 336,998,905.70 - Step 4: Simplify right side
336,998,905.70x = 170,352,393,664,496,224 - Step 5: Solve for x
x = 170,352,393,664,496,224/336,998,905.70 - Step 6: Final answer
x = 505,498,358.55
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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.