Finding the Fourth Proportional to 3,389,245,147.08, 4,677,039,010.82 and 1,863,322,176.96
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Solution
The fourth proportional to 3,389,245,147.08, 4,677,039,010.82 and 1,863,322,176.96 is: 2,571,319,020.37
Step by Step Solution
- Step 1: Write the proportion equation
3,389,245,147.08 : 4,677,039,010.82 = 1,863,322,176.96 : x - Step 2: Convert to fraction form
3,389,245,147.08/4,677,039,010.82 = 1,863,322,176.96/x - Step 3: Cross multiply
3,389,245,147.08x = 4,677,039,010.82 × 1,863,322,176.96 - Step 4: Simplify right side
3,389,245,147.08x = 8,714,830,511,367,966,720 - Step 5: Solve for x
x = 8,714,830,511,367,966,720/3,389,245,147.08 - Step 6: Final answer
x = 2,571,319,020.37
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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.