Finding the Fourth Proportional to 1,707,192,734.49, 2,355,916,720.55 and 954,505,761.93
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Solution
The fourth proportional to 1,707,192,734.49, 2,355,916,720.55 and 954,505,761.93 is: 1,317,212,778.00
Step by Step Solution
- Step 1: Write the proportion equation
1,707,192,734.49 : 2,355,916,720.55 = 954,505,761.93 : x - Step 2: Convert to fraction form
1,707,192,734.49/2,355,916,720.55 = 954,505,761.93/x - Step 3: Cross multiply
1,707,192,734.49x = 2,355,916,720.55 × 954,505,761.93 - Step 4: Simplify right side
1,707,192,734.49x = 2,248,736,084,387,431,936 - Step 5: Solve for x
x = 2,248,736,084,387,431,936/1,707,192,734.49 - Step 6: Final answer
x = 1,317,212,778.00
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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.