Finding the Fourth Proportional to 664,392,812.80, 996,290,620.80 and 255,313,004.80
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Solution
The fourth proportional to 664,392,812.80, 996,290,620.80 and 255,313,004.80 is: 382,854,761.75
Step by Step Solution
- Step 1: Write the proportion equation
664,392,812.80 : 996,290,620.80 = 255,313,004.80 : x - Step 2: Convert to fraction form
664,392,812.80/996,290,620.80 = 255,313,004.80/x - Step 3: Cross multiply
664,392,812.80x = 996,290,620.80 × 255,313,004.80 - Step 4: Simplify right side
664,392,812.80x = 254,365,952,050,505,376 - Step 5: Solve for x
x = 254,365,952,050,505,376/664,392,812.80 - Step 6: Final answer
x = 382,854,761.75
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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.