Finding the Fourth Proportional to 7,029,686,342, 9,700,967,175 and 3,901,065,204.08
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Solution
The fourth proportional to 7,029,686,342, 9,700,967,175 and 3,901,065,204.08 is: 5,383,469,994.42
Step by Step Solution
- Step 1: Write the proportion equation
7,029,686,342 : 9,700,967,175 = 3,901,065,204.08 : x - Step 2: Convert to fraction form
7,029,686,342/9,700,967,175 = 3,901,065,204.08/x - Step 3: Cross multiply
7,029,686,342x = 9,700,967,175 × 3,901,065,204.08 - Step 4: Simplify right side
7,029,686,342x = 37,844,105,492,314,759,168 - Step 5: Solve for x
x = 37,844,105,492,314,759,168/7,029,686,342 - Step 6: Final answer
x = 5,383,469,994.42
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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.