Finding the Fourth Proportional to 209,952,395.80, 314,928,593.70 and 197,197,811.80
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Solution
The fourth proportional to 209,952,395.80, 314,928,593.70 and 197,197,811.80 is: 295,796,717.70
Step by Step Solution
- Step 1: Write the proportion equation
209,952,395.80 : 314,928,593.70 = 197,197,811.80 : x - Step 2: Convert to fraction form
209,952,395.80/314,928,593.70 = 197,197,811.80/x - Step 3: Cross multiply
209,952,395.80x = 314,928,593.70 × 197,197,811.80 - Step 4: Simplify right side
209,952,395.80x = 62,103,229,550,891,264 - Step 5: Solve for x
x = 62,103,229,550,891,264/209,952,395.80 - Step 6: Final answer
x = 295,796,717.70
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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.