Finding the Fourth Proportional to 330,844,544.20, 496,266,816.30 and 100,813,259.80
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Solution
The fourth proportional to 330,844,544.20, 496,266,816.30 and 100,813,259.80 is: 151,219,889.70
Step by Step Solution
- Step 1: Write the proportion equation
330,844,544.20 : 496,266,816.30 = 100,813,259.80 : x - Step 2: Convert to fraction form
330,844,544.20/496,266,816.30 = 100,813,259.80/x - Step 3: Cross multiply
330,844,544.20x = 496,266,816.30 × 100,813,259.80 - Step 4: Simplify right side
330,844,544.20x = 50,030,275,481,770,776 - Step 5: Solve for x
x = 50,030,275,481,770,776/330,844,544.20 - Step 6: Final answer
x = 151,219,889.70
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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.