Finding the Fourth Proportional to 4,338,279,932.16, 5,987,480,727.84 and 2,645,716,520.64
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Solution
The fourth proportional to 4,338,279,932.16, 5,987,480,727.84 and 2,645,716,520.64 is: 3,651,487,899.90
Step by Step Solution
- Step 1: Write the proportion equation
4,338,279,932.16 : 5,987,480,727.84 = 2,645,716,520.64 : x - Step 2: Convert to fraction form
4,338,279,932.16/5,987,480,727.84 = 2,645,716,520.64/x - Step 3: Cross multiply
4,338,279,932.16x = 5,987,480,727.84 × 2,645,716,520.64 - Step 4: Simplify right side
4,338,279,932.16x = 15,841,176,678,659,899,392 - Step 5: Solve for x
x = 15,841,176,678,659,899,392/4,338,279,932.16 - Step 6: Final answer
x = 3,651,487,899.90
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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.