Finding the Fourth Proportional to 3,901,997,813.94, 5,384,760,968.34 and 2,117,851,634.70
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Solution
The fourth proportional to 3,901,997,813.94, 5,384,760,968.34 and 2,117,851,634.70 is: 2,922,637,418.84
Step by Step Solution
- Step 1: Write the proportion equation
3,901,997,813.94 : 5,384,760,968.34 = 2,117,851,634.70 : x - Step 2: Convert to fraction form
3,901,997,813.94/5,384,760,968.34 = 2,117,851,634.70/x - Step 3: Cross multiply
3,901,997,813.94x = 5,384,760,968.34 × 2,117,851,634.70 - Step 4: Simplify right side
3,901,997,813.94x = 11,404,124,819,267,624,960 - Step 5: Solve for x
x = 11,404,124,819,267,624,960/3,901,997,813.94 - Step 6: Final answer
x = 2,922,637,418.84
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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.