Finding the Fourth Proportional to 2,469,193,402.88, 3,405,936,949.28 and 1,464,899,947.20
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Solution
The fourth proportional to 2,469,193,402.88, 3,405,936,949.28 and 1,464,899,947.20 is: 2,020,642,389.27
Step by Step Solution
- Step 1: Write the proportion equation
2,469,193,402.88 : 3,405,936,949.28 = 1,464,899,947.20 : x - Step 2: Convert to fraction form
2,469,193,402.88/3,405,936,949.28 = 1,464,899,947.20/x - Step 3: Cross multiply
2,469,193,402.88x = 3,405,936,949.28 × 1,464,899,947.20 - Step 4: Simplify right side
2,469,193,402.88x = 4,989,356,857,166,801,920 - Step 5: Solve for x
x = 4,989,356,857,166,801,920/2,469,193,402.88 - Step 6: Final answer
x = 2,020,642,389.27
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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.