Finding the Fourth Proportional to 207,019,550.80, 310,529,326.20 and 202,988,472.40
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Solution
The fourth proportional to 207,019,550.80, 310,529,326.20 and 202,988,472.40 is: 304,482,708.60
Step by Step Solution
- Step 1: Write the proportion equation
207,019,550.80 : 310,529,326.20 = 202,988,472.40 : x - Step 2: Convert to fraction form
207,019,550.80/310,529,326.20 = 202,988,472.40/x - Step 3: Cross multiply
207,019,550.80x = 310,529,326.20 × 202,988,472.40 - Step 4: Simplify right side
207,019,550.80x = 63,033,873,560,739,296 - Step 5: Solve for x
x = 63,033,873,560,739,296/207,019,550.80 - Step 6: Final answer
x = 304,482,708.60
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1.5x scale
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.