Finding the Fourth Proportional to 305,591,845.80, 458,387,768.70 and 305,591,845.80
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Solution
The fourth proportional to 305,591,845.80, 458,387,768.70 and 305,591,845.80 is: 458,387,768.70
Step by Step Solution
- Step 1: Write the proportion equation
305,591,845.80 : 458,387,768.70 = 305,591,845.80 : x - Step 2: Convert to fraction form
305,591,845.80/458,387,768.70 = 305,591,845.80/x - Step 3: Cross multiply
305,591,845.80x = 458,387,768.70 × 305,591,845.80 - Step 4: Simplify right side
305,591,845.80x = 140,079,564,329,176,464 - Step 5: Solve for x
x = 140,079,564,329,176,464/305,591,845.80 - Step 6: Final answer
x = 458,387,768.70
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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.