Finding the Fourth Proportional to 398,202,365.80, 597,303,548.70 and 330,177,917.80
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Solution
The fourth proportional to 398,202,365.80, 597,303,548.70 and 330,177,917.80 is: 495,266,876.70
Step by Step Solution
- Step 1: Write the proportion equation
398,202,365.80 : 597,303,548.70 = 330,177,917.80 : x - Step 2: Convert to fraction form
398,202,365.80/597,303,548.70 = 330,177,917.80/x - Step 3: Cross multiply
398,202,365.80x = 597,303,548.70 × 330,177,917.80 - Step 4: Simplify right side
398,202,365.80x = 197,216,442,004,316,928 - Step 5: Solve for x
x = 197,216,442,004,316,928/398,202,365.80 - Step 6: Final answer
x = 495,266,876.70
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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.