Finding the Fourth Proportional to 323,496,628.20, 485,244,942.30 and 201,052,621.80
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Solution
The fourth proportional to 323,496,628.20, 485,244,942.30 and 201,052,621.80 is: 301,578,932.70
Step by Step Solution
- Step 1: Write the proportion equation
323,496,628.20 : 485,244,942.30 = 201,052,621.80 : x - Step 2: Convert to fraction form
323,496,628.20/485,244,942.30 = 201,052,621.80/x - Step 3: Cross multiply
323,496,628.20x = 485,244,942.30 × 201,052,621.80 - Step 4: Simplify right side
323,496,628.20x = 97,559,767,864,604,736 - Step 5: Solve for x
x = 97,559,767,864,604,736/323,496,628.20 - Step 6: Final answer
x = 301,578,932.70
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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.