Finding the Fourth Proportional to 1,022,431,536.97, 1,411,018,751.49 and 564,138,843.68
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Solution
The fourth proportional to 1,022,431,536.97, 1,411,018,751.49 and 564,138,843.68 is: 778,546,492.45
Step by Step Solution
- Step 1: Write the proportion equation
1,022,431,536.97 : 1,411,018,751.49 = 564,138,843.68 : x - Step 2: Convert to fraction form
1,022,431,536.97/1,411,018,751.49 = 564,138,843.68/x - Step 3: Cross multiply
1,022,431,536.97x = 1,411,018,751.49 × 564,138,843.68 - Step 4: Simplify right side
1,022,431,536.97x = 796,010,486,877,749,760 - Step 5: Solve for x
x = 796,010,486,877,749,760/1,022,431,536.97 - Step 6: Final answer
x = 778,546,492.45
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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.