Finding the Fourth Proportional to 29,250,544,105.98, 40,378,108,782.69 and 19,747,968,044.94
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Solution
The fourth proportional to 29,250,544,105.98, 40,378,108,782.69 and 19,747,968,044.94 is: 27,260,539,122.51
Step by Step Solution
- Step 1: Write the proportion equation
29,250,544,105.98 : 40,378,108,782.69 = 19,747,968,044.94 : x - Step 2: Convert to fraction form
29,250,544,105.98/40,378,108,782.69 = 19,747,968,044.94/x - Step 3: Cross multiply
29,250,544,105.98x = 40,378,108,782.69 × 19,747,968,044.94 - Step 4: Simplify right side
29,250,544,105.98x = 797,385,601,955,673,276,416 - Step 5: Solve for x
x = 797,385,601,955,673,276,416/29,250,544,105.98 - Step 6: Final answer
x = 27,260,539,122.51
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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.