Finding the Fourth Proportional to 1,944,707,113.62, 2,917,068,149.97 and 470,844,467.28
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Solution
The fourth proportional to 1,944,707,113.62, 2,917,068,149.97 and 470,844,467.28 is: 706,268,511.84
Step by Step Solution
- Step 1: Write the proportion equation
1,944,707,113.62 : 2,917,068,149.97 = 470,844,467.28 : x - Step 2: Convert to fraction form
1,944,707,113.62/2,917,068,149.97 = 470,844,467.28/x - Step 3: Cross multiply
1,944,707,113.62x = 2,917,068,149.97 × 470,844,467.28 - Step 4: Simplify right side
1,944,707,113.62x = 1,373,485,399,092,079,616 - Step 5: Solve for x
x = 1,373,485,399,092,079,616/1,944,707,113.62 - Step 6: Final answer
x = 706,268,511.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.