Finding the Fourth Proportional to 300,288,544.20, 450,432,816.30 and 235,791,289.80
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Solution
The fourth proportional to 300,288,544.20, 450,432,816.30 and 235,791,289.80 is: 353,686,934.70
Step by Step Solution
- Step 1: Write the proportion equation
300,288,544.20 : 450,432,816.30 = 235,791,289.80 : x - Step 2: Convert to fraction form
300,288,544.20/450,432,816.30 = 235,791,289.80/x - Step 3: Cross multiply
300,288,544.20x = 450,432,816.30 × 235,791,289.80 - Step 4: Simplify right side
300,288,544.20x = 106,208,134,723,623,472 - Step 5: Solve for x
x = 106,208,134,723,623,472/300,288,544.20 - Step 6: Final answer
x = 353,686,934.70
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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.