Finding the Fourth Proportional to 232,289,759.68, 320,380,817.88 and 144,235,890.88
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Solution
The fourth proportional to 232,289,759.68, 320,380,817.88 and 144,235,890.88 is: 198,934,351.44
Step by Step Solution
- Step 1: Write the proportion equation
232,289,759.68 : 320,380,817.88 = 144,235,890.88 : x - Step 2: Convert to fraction form
232,289,759.68/320,380,817.88 = 144,235,890.88/x - Step 3: Cross multiply
232,289,759.68x = 320,380,817.88 × 144,235,890.88 - Step 4: Simplify right side
232,289,759.68x = 46,210,412,687,784,832 - Step 5: Solve for x
x = 46,210,412,687,784,832/232,289,759.68 - Step 6: Final answer
x = 198,934,351.44
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.