Finding the Fourth Proportional to 322,936,772.70, 484,405,159.05 and 265,541,144.70
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Solution
The fourth proportional to 322,936,772.70, 484,405,159.05 and 265,541,144.70 is: 398,311,717.05
Step by Step Solution
- Step 1: Write the proportion equation
322,936,772.70 : 484,405,159.05 = 265,541,144.70 : x - Step 2: Convert to fraction form
322,936,772.70/484,405,159.05 = 265,541,144.70/x - Step 3: Cross multiply
322,936,772.70x = 484,405,159.05 × 265,541,144.70 - Step 4: Simplify right side
322,936,772.70x = 128,629,500,432,722,560 - Step 5: Solve for x
x = 128,629,500,432,722,560/322,936,772.70 - Step 6: Final answer
x = 398,311,717.05
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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.