Finding the Fourth Proportional to 398,202,355.80, 597,303,533.70 and 330,177,907.80
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Solution
The fourth proportional to 398,202,355.80, 597,303,533.70 and 330,177,907.80 is: 495,266,861.70
Step by Step Solution
- Step 1: Write the proportion equation
398,202,355.80 : 597,303,533.70 = 330,177,907.80 : x - Step 2: Convert to fraction form
398,202,355.80/597,303,533.70 = 330,177,907.80/x - Step 3: Cross multiply
398,202,355.80x = 597,303,533.70 × 330,177,907.80 - Step 4: Simplify right side
398,202,355.80x = 197,216,431,078,612,800 - Step 5: Solve for x
x = 197,216,431,078,612,800/398,202,355.80 - Step 6: Final answer
x = 495,266,861.70
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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.