Finding the Fourth Proportional to 264,977,107.80, 397,465,661.70 and 209,707,243.80
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Solution
The fourth proportional to 264,977,107.80, 397,465,661.70 and 209,707,243.80 is: 314,560,865.70
Step by Step Solution
- Step 1: Write the proportion equation
264,977,107.80 : 397,465,661.70 = 209,707,243.80 : x - Step 2: Convert to fraction form
264,977,107.80/397,465,661.70 = 209,707,243.80/x - Step 3: Cross multiply
264,977,107.80x = 397,465,661.70 × 209,707,243.80 - Step 4: Simplify right side
264,977,107.80x = 83,351,428,420,250,224 - Step 5: Solve for x
x = 83,351,428,420,250,224/264,977,107.80 - Step 6: Final answer
x = 314,560,865.70
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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.