Finding the Fourth Proportional to 209,952,278.70, 314,928,418.05 and 202,299,528.30
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Solution
The fourth proportional to 209,952,278.70, 314,928,418.05 and 202,299,528.30 is: 303,449,292.45
Step by Step Solution
- Step 1: Write the proportion equation
209,952,278.70 : 314,928,418.05 = 202,299,528.30 : x - Step 2: Convert to fraction form
209,952,278.70/314,928,418.05 = 202,299,528.30/x - Step 3: Cross multiply
209,952,278.70x = 314,928,418.05 × 202,299,528.30 - Step 4: Simplify right side
209,952,278.70x = 63,709,870,419,780,208 - Step 5: Solve for x
x = 63,709,870,419,780,208/209,952,278.70 - Step 6: Final answer
x = 303,449,292.45
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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.