Finding the Fourth Proportional to 7,093,274,324,828.40, 10,638,836,438,172 and 1,930,521,653,618.80
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Solution
The fourth proportional to 7,093,274,324,828.40, 10,638,836,438,172 and 1,930,521,653,618.80 is: 2,895,489,892,631.02
Step by Step Solution
- Step 1: Write the proportion equation
7,093,274,324,828.40 : 10,638,836,438,172 = 1,930,521,653,618.80 : x - Step 2: Convert to fraction form
7,093,274,324,828.40/10,638,836,438,172 = 1,930,521,653,618.80/x - Step 3: Cross multiply
7,093,274,324,828.40x = 10,638,836,438,172 × 1,930,521,653,618.80 - Step 4: Simplify right side
7,093,274,324,828.40x = 20,538,504,113,199,755,829,444,608 - Step 5: Solve for x
x = 20,538,504,113,199,755,829,444,608/7,093,274,324,828.40 - Step 6: Final answer
x = 2,895,489,892,631.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.