Finding the Fourth Proportional to 20,128,718,083.99, 27,777,714,857.27 and 11,096,277,760.66
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Solution
The fourth proportional to 20,128,718,083.99, 27,777,714,857.27 and 11,096,277,760.66 is: 15,312,909,561.68
Step by Step Solution
- Step 1: Write the proportion equation
20,128,718,083.99 : 27,777,714,857.27 = 11,096,277,760.66 : x - Step 2: Convert to fraction form
20,128,718,083.99/27,777,714,857.27 = 11,096,277,760.66/x - Step 3: Cross multiply
20,128,718,083.99x = 27,777,714,857.27 × 11,096,277,760.66 - Step 4: Simplify right side
20,128,718,083.99x = 308,229,239,612,618,833,920 - Step 5: Solve for x
x = 308,229,239,612,618,833,920/20,128,718,083.99 - Step 6: Final answer
x = 15,312,909,561.68
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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.