Finding the Fourth Proportional to 20,881,168,083,337, 28,814,713,579,837 and 11,505,440,938,505
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Solution
The fourth proportional to 20,881,168,083,337, 28,814,713,579,837 and 11,505,440,938,505 is: 15,876,793,095,559.99
Step by Step Solution
- Step 1: Write the proportion equation
20,881,168,083,337 : 28,814,713,579,837 = 11,505,440,938,505 : x - Step 2: Convert to fraction form
20,881,168,083,337/28,814,713,579,837 = 11,505,440,938,505/x - Step 3: Cross multiply
20,881,168,083,337x = 28,814,713,579,837 × 11,505,440,938,505 - Step 4: Simplify right side
20,881,168,083,337x = 331,525,985,252,752,607,181,537,280 - Step 5: Solve for x
x = 331,525,985,252,752,607,181,537,280/20,881,168,083,337 - Step 6: Final answer
x = 15,876,793,095,559.99
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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.