Finding the Fourth Proportional to 20,727,423,470,450, 28,604,743,530,110 and 11,478,407,770,886
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Solution
The fourth proportional to 20,727,423,470,450, 28,604,743,530,110 and 11,478,407,770,886 is: 15,840,700,648,988.45
Step by Step Solution
- Step 1: Write the proportion equation
20,727,423,470,450 : 28,604,743,530,110 = 11,478,407,770,886 : x - Step 2: Convert to fraction form
20,727,423,470,450/28,604,743,530,110 = 11,478,407,770,886/x - Step 3: Cross multiply
20,727,423,470,450x = 28,604,743,530,110 × 11,478,407,770,886 - Step 4: Simplify right side
20,727,423,470,450x = 328,336,910,420,215,651,027,124,224 - Step 5: Solve for x
x = 328,336,910,420,215,651,027,124,224/20,727,423,470,450 - Step 6: Final answer
x = 15,840,700,648,988.45
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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.