Finding the Fourth Proportional to 1,805,701,209,867.90, 2,491,868,076,369.60 and 993,716,292,485
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Solution
The fourth proportional to 1,805,701,209,867.90, 2,491,868,076,369.60 and 993,716,292,485 is: 1,371,328,707,473.64
Step by Step Solution
- Step 1: Write the proportion equation
1,805,701,209,867.90 : 2,491,868,076,369.60 = 993,716,292,485 : x - Step 2: Convert to fraction form
1,805,701,209,867.90/2,491,868,076,369.60 = 993,716,292,485/x - Step 3: Cross multiply
1,805,701,209,867.90x = 2,491,868,076,369.60 × 993,716,292,485 - Step 4: Simplify right side
1,805,701,209,867.90x = 2,476,209,906,211,727,884,681,216 - Step 5: Solve for x
x = 2,476,209,906,211,727,884,681,216/1,805,701,209,867.90 - Step 6: Final answer
x = 1,371,328,707,473.64
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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.