Finding the Fourth Proportional to 222,775,660.20, 334,163,490.30 and 203,628,037.80
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Solution
The fourth proportional to 222,775,660.20, 334,163,490.30 and 203,628,037.80 is: 305,442,056.70
Step by Step Solution
- Step 1: Write the proportion equation
222,775,660.20 : 334,163,490.30 = 203,628,037.80 : x - Step 2: Convert to fraction form
222,775,660.20/334,163,490.30 = 203,628,037.80/x - Step 3: Cross multiply
222,775,660.20x = 334,163,490.30 × 203,628,037.80 - Step 4: Simplify right side
222,775,660.20x = 68,045,055,834,188,336 - Step 5: Solve for x
x = 68,045,055,834,188,336/222,775,660.20 - Step 6: Final answer
x = 305,442,056.70
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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.