Finding the Fourth Proportional to 3,902,243,115.75, 5,854,514,510.75 and 1,571,980,968.87
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Solution
The fourth proportional to 3,902,243,115.75, 5,854,514,510.75 and 1,571,980,968.87 is: 2,358,434,654.09
Step by Step Solution
- Step 1: Write the proportion equation
3,902,243,115.75 : 5,854,514,510.75 = 1,571,980,968.87 : x - Step 2: Convert to fraction form
3,902,243,115.75/5,854,514,510.75 = 1,571,980,968.87/x - Step 3: Cross multiply
3,902,243,115.75x = 5,854,514,510.75 × 1,571,980,968.87 - Step 4: Simplify right side
3,902,243,115.75x = 9,203,185,392,864,398,336 - Step 5: Solve for x
x = 9,203,185,392,864,398,336/3,902,243,115.75 - Step 6: Final answer
x = 2,358,434,654.09
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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.