Finding the Fourth Proportional to 481,198,076.34, 664,035,563.97 and 261,176,778.42
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Solution
The fourth proportional to 481,198,076.34, 664,035,563.97 and 261,176,778.42 is: 360,414,303.14
Step by Step Solution
- Step 1: Write the proportion equation
481,198,076.34 : 664,035,563.97 = 261,176,778.42 : x - Step 2: Convert to fraction form
481,198,076.34/664,035,563.97 = 261,176,778.42/x - Step 3: Cross multiply
481,198,076.34x = 664,035,563.97 × 261,176,778.42 - Step 4: Simplify right side
481,198,076.34x = 173,430,669,353,992,416 - Step 5: Solve for x
x = 173,430,669,353,992,416/481,198,076.34 - Step 6: Final answer
x = 360,414,303.14
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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.