Finding the Fourth Proportional to 1,805,701,216,741.70, 2,491,868,085,845.50 and 993,716,299,358.70
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Solution
The fourth proportional to 1,805,701,216,741.70, 2,491,868,085,845.50 and 993,716,299,358.70 is: 1,371,328,716,953.87
Step by Step Solution
- Step 1: Write the proportion equation
1,805,701,216,741.70 : 2,491,868,085,845.50 = 993,716,299,358.70 : x - Step 2: Convert to fraction form
1,805,701,216,741.70/2,491,868,085,845.50 = 993,716,299,358.70/x - Step 3: Cross multiply
1,805,701,216,741.70x = 2,491,868,085,845.50 × 993,716,299,358.70 - Step 4: Simplify right side
1,805,701,216,741.70x = 2,476,209,932,756,437,713,289,216 - Step 5: Solve for x
x = 2,476,209,932,756,437,713,289,216/1,805,701,216,741.70 - Step 6: Final answer
x = 1,371,328,716,953.87
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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.