Finding the Fourth Proportional to 2,215,292,292.77, 3,322,944,067.30 and 905,194,346.99
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Solution
The fourth proportional to 2,215,292,292.77, 3,322,944,067.30 and 905,194,346.99 is: 1,357,793,820.21
Step by Step Solution
- Step 1: Write the proportion equation
2,215,292,292.77 : 3,322,944,067.30 = 905,194,346.99 : x - Step 2: Convert to fraction form
2,215,292,292.77/3,322,944,067.30 = 905,194,346.99/x - Step 3: Cross multiply
2,215,292,292.77x = 3,322,944,067.30 × 905,194,346.99 - Step 4: Simplify right side
2,215,292,292.77x = 3,007,910,185,064,949,760 - Step 5: Solve for x
x = 3,007,910,185,064,949,760/2,215,292,292.77 - Step 6: Final answer
x = 1,357,793,820.21
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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.