Finding the Fourth Proportional to 1,991,689,336.26, 2,748,476,491.07 and 1,099,599,851.97
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Solution
The fourth proportional to 1,991,689,336.26, 2,748,476,491.07 and 1,099,599,851.97 is: 1,517,417,544.84
Step by Step Solution
- Step 1: Write the proportion equation
1,991,689,336.26 : 2,748,476,491.07 = 1,099,599,851.97 : x - Step 2: Convert to fraction form
1,991,689,336.26/2,748,476,491.07 = 1,099,599,851.97/x - Step 3: Cross multiply
1,991,689,336.26x = 2,748,476,491.07 × 1,099,599,851.97 - Step 4: Simplify right side
1,991,689,336.26x = 3,022,224,342,718,098,944 - Step 5: Solve for x
x = 3,022,224,342,718,098,944/1,991,689,336.26 - Step 6: Final answer
x = 1,517,417,544.84
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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.