Finding the Fourth Proportional to 2,081,383,220.98, 3,122,258,346.24 and 587,428,073.56
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Solution
The fourth proportional to 2,081,383,220.98, 3,122,258,346.24 and 587,428,073.56 is: 881,193,903.65
Step by Step Solution
- Step 1: Write the proportion equation
2,081,383,220.98 : 3,122,258,346.24 = 587,428,073.56 : x - Step 2: Convert to fraction form
2,081,383,220.98/3,122,258,346.24 = 587,428,073.56/x - Step 3: Cross multiply
2,081,383,220.98x = 3,122,258,346.24 × 587,428,073.56 - Step 4: Simplify right side
2,081,383,220.98x = 1,834,102,205,488,394,240 - Step 5: Solve for x
x = 1,834,102,205,488,394,240/2,081,383,220.98 - Step 6: Final answer
x = 881,193,903.65
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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.