Finding the Fourth Proportional to 1,227,254,624.70, 1,693,600,163.91 and 670,337,504.70
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Solution
The fourth proportional to 1,227,254,624.70, 1,693,600,163.91 and 670,337,504.70 is: 925,059,629.02
Step by Step Solution
- Step 1: Write the proportion equation
1,227,254,624.70 : 1,693,600,163.91 = 670,337,504.70 : x - Step 2: Convert to fraction form
1,227,254,624.70/1,693,600,163.91 = 670,337,504.70/x - Step 3: Cross multiply
1,227,254,624.70x = 1,693,600,163.91 × 670,337,504.70 - Step 4: Simplify right side
1,227,254,624.70x = 1,135,283,707,834,940,544 - Step 5: Solve for x
x = 1,135,283,707,834,940,544/1,227,254,624.70 - Step 6: Final answer
x = 925,059,629.02
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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.