Finding the Fourth Proportional to 5,863,087,779.84, 8,091,115,301.38 and 3,186,874,256.70
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Solution
The fourth proportional to 5,863,087,779.84, 8,091,115,301.38 and 3,186,874,256.70 is: 4,397,915,915.68
Step by Step Solution
- Step 1: Write the proportion equation
5,863,087,779.84 : 8,091,115,301.38 = 3,186,874,256.70 : x - Step 2: Convert to fraction form
5,863,087,779.84/8,091,115,301.38 = 3,186,874,256.70/x - Step 3: Cross multiply
5,863,087,779.84x = 8,091,115,301.38 × 3,186,874,256.70 - Step 4: Simplify right side
5,863,087,779.84x = 25,785,367,061,959,380,992 - Step 5: Solve for x
x = 25,785,367,061,959,380,992/5,863,087,779.84 - Step 6: Final answer
x = 4,397,915,915.68
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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.