Finding the Fourth Proportional to 209,614,537.70, 314,421,806.55 and 209,614,537.70
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Solution
The fourth proportional to 209,614,537.70, 314,421,806.55 and 209,614,537.70 is: 314,421,806.55
Step by Step Solution
- Step 1: Write the proportion equation
209,614,537.70 : 314,421,806.55 = 209,614,537.70 : x - Step 2: Convert to fraction form
209,614,537.70/314,421,806.55 = 209,614,537.70/x - Step 3: Cross multiply
209,614,537.70x = 314,421,806.55 × 209,614,537.70 - Step 4: Simplify right side
209,614,537.70x = 65,907,381,622,777,080 - Step 5: Solve for x
x = 65,907,381,622,777,080/209,614,537.70 - Step 6: Final answer
x = 314,421,806.55
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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.