Finding the Fourth Proportional to 2,609,422,448.70, 3,601,003,511.97 and 1,436,000,720.70
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Solution
The fourth proportional to 2,609,422,448.70, 3,601,003,511.97 and 1,436,000,720.70 is: 1,981,681,287.75
Step by Step Solution
- Step 1: Write the proportion equation
2,609,422,448.70 : 3,601,003,511.97 = 1,436,000,720.70 : x - Step 2: Convert to fraction form
2,609,422,448.70/3,601,003,511.97 = 1,436,000,720.70/x - Step 3: Cross multiply
2,609,422,448.70x = 3,601,003,511.97 × 1,436,000,720.70 - Step 4: Simplify right side
2,609,422,448.70x = 5,171,043,638,432,150,528 - Step 5: Solve for x
x = 5,171,043,638,432,150,528/2,609,422,448.70 - Step 6: Final answer
x = 1,981,681,287.75
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1.5x scale
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.