Finding the Fourth Proportional to 394,755,178,810.99, 544,761,733,599.38 and 221,141,540,354.99
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Solution
The fourth proportional to 394,755,178,810.99, 544,761,733,599.38 and 221,141,540,354.99 is: 305,175,094,238.10
Step by Step Solution
- Step 1: Write the proportion equation
394,755,178,810.99 : 544,761,733,599.38 = 221,141,540,354.99 : x - Step 2: Convert to fraction form
394,755,178,810.99/544,761,733,599.38 = 221,141,540,354.99/x - Step 3: Cross multiply
394,755,178,810.99x = 544,761,733,599.38 × 221,141,540,354.99 - Step 4: Simplify right side
394,755,178,810.99x = 120,469,448,894,621,595,729,920 - Step 5: Solve for x
x = 120,469,448,894,621,595,729,920/394,755,178,810.99 - Step 6: Final answer
x = 305,175,094,238.10
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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.