Finding the Fourth Proportional to 2,598,471,755.99, 3,897,936,678.29 and 733,133,791.43
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Solution
The fourth proportional to 2,598,471,755.99, 3,897,936,678.29 and 733,133,791.43 is: 1,099,765,309.78
Step by Step Solution
- Step 1: Write the proportion equation
2,598,471,755.99 : 3,897,936,678.29 = 733,133,791.43 : x - Step 2: Convert to fraction form
2,598,471,755.99/3,897,936,678.29 = 733,133,791.43/x - Step 3: Cross multiply
2,598,471,755.99x = 3,897,936,678.29 × 733,133,791.43 - Step 4: Simplify right side
2,598,471,755.99x = 2,857,709,095,685,651,968 - Step 5: Solve for x
x = 2,857,709,095,685,651,968/2,598,471,755.99 - Step 6: Final answer
x = 1,099,765,309.78
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1.5x scale
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.