Finding the Fourth Proportional to 1,941,666,163.07, 2,914,571,862.68 and 836,816,267.31
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Solution
The fourth proportional to 1,941,666,163.07, 2,914,571,862.68 and 836,816,267.31 is: 1,256,117,654.68
Step by Step Solution
- Step 1: Write the proportion equation
1,941,666,163.07 : 2,914,571,862.68 = 836,816,267.31 : x - Step 2: Convert to fraction form
1,941,666,163.07/2,914,571,862.68 = 836,816,267.31/x - Step 3: Cross multiply
1,941,666,163.07x = 2,914,571,862.68 × 836,816,267.31 - Step 4: Simplify right side
1,941,666,163.07x = 2,438,961,146,930,447,360 - Step 5: Solve for x
x = 2,438,961,146,930,447,360/1,941,666,163.07 - Step 6: Final answer
x = 1,256,117,654.68
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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.