Finding the Fourth Proportional to 1,947,284,146.99, 2,920,948,658.97 and 703,809,047.35
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Solution
The fourth proportional to 1,947,284,146.99, 2,920,948,658.97 and 703,809,047.35 is: 1,055,721,680.99
Step by Step Solution
- Step 1: Write the proportion equation
1,947,284,146.99 : 2,920,948,658.97 = 703,809,047.35 : x - Step 2: Convert to fraction form
1,947,284,146.99/2,920,948,658.97 = 703,809,047.35/x - Step 3: Cross multiply
1,947,284,146.99x = 2,920,948,658.97 × 703,809,047.35 - Step 4: Simplify right side
1,947,284,146.99x = 2,055,790,093,027,935,744 - Step 5: Solve for x
x = 2,055,790,093,027,935,744/1,947,284,146.99 - Step 6: Final answer
x = 1,055,721,680.99
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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.