Finding the Fourth Proportional to 20,285,190,177,832, 27,992,026,163,655 and 11,384,353,167,913
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Solution
The fourth proportional to 20,285,190,177,832, 27,992,026,163,655 and 11,384,353,167,913 is: 15,709,545,187,343.55
Step by Step Solution
- Step 1: Write the proportion equation
20,285,190,177,832 : 27,992,026,163,655 = 11,384,353,167,913 : x - Step 2: Convert to fraction form
20,285,190,177,832/27,992,026,163,655 = 11,384,353,167,913/x - Step 3: Cross multiply
20,285,190,177,832x = 27,992,026,163,655 × 11,384,353,167,913 - Step 4: Simplify right side
20,285,190,177,832x = 318,671,111,732,509,394,943,868,928 - Step 5: Solve for x
x = 318,671,111,732,509,394,943,868,928/20,285,190,177,832 - Step 6: Final answer
x = 15,709,545,187,343.55
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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.