Finding the Fourth Proportional to 7,612,816,339.51, 11,419,178,451.04 and 4,141,284,295.21
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Solution
The fourth proportional to 7,612,816,339.51, 11,419,178,451.04 and 4,141,284,295.21 is: 6,211,901,387.67
Step by Step Solution
- Step 1: Write the proportion equation
7,612,816,339.51 : 11,419,178,451.04 = 4,141,284,295.21 : x - Step 2: Convert to fraction form
7,612,816,339.51/11,419,178,451.04 = 4,141,284,295.21/x - Step 3: Cross multiply
7,612,816,339.51x = 11,419,178,451.04 × 4,141,284,295.21 - Step 4: Simplify right side
7,612,816,339.51x = 47,290,064,383,466,856,448 - Step 5: Solve for x
x = 47,290,064,383,466,856,448/7,612,816,339.51 - Step 6: Final answer
x = 6,211,901,387.67
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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.