Finding the Fourth Proportional to 318,905,682.80, 446,770,286.80 and 318,905,682.80
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Solution
The fourth proportional to 318,905,682.80, 446,770,286.80 and 318,905,682.80 is: 446,770,286.80
Step by Step Solution
- Step 1: Write the proportion equation
318,905,682.80 : 446,770,286.80 = 318,905,682.80 : x - Step 2: Convert to fraction form
318,905,682.80/446,770,286.80 = 318,905,682.80/x - Step 3: Cross multiply
318,905,682.80x = 446,770,286.80 × 318,905,682.80 - Step 4: Simplify right side
318,905,682.80x = 142,477,583,366,705,840 - Step 5: Solve for x
x = 142,477,583,366,705,840/318,905,682.80 - Step 6: Final answer
x = 446,770,286.80
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.