Finding the Fourth Proportional to 209,952,313.80, 314,928,470.70 and 204,283,609.80
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Solution
The fourth proportional to 209,952,313.80, 314,928,470.70 and 204,283,609.80 is: 306,425,414.70
Step by Step Solution
- Step 1: Write the proportion equation
209,952,313.80 : 314,928,470.70 = 204,283,609.80 : x - Step 2: Convert to fraction form
209,952,313.80/314,928,470.70 = 204,283,609.80/x - Step 3: Cross multiply
209,952,313.80x = 314,928,470.70 × 204,283,609.80 - Step 4: Simplify right side
209,952,313.80x = 64,334,724,823,389,536 - Step 5: Solve for x
x = 64,334,724,823,389,536/209,952,313.80 - Step 6: Final answer
x = 306,425,414.70
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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.