Finding the Fourth Proportional to 934,846,296, 1,290,125,874.24 and 517,151,379.84
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Solution
The fourth proportional to 934,846,296, 1,290,125,874.24 and 517,151,379.84 is: 713,689,917.67
Step by Step Solution
- Step 1: Write the proportion equation
934,846,296 : 1,290,125,874.24 = 517,151,379.84 : x - Step 2: Convert to fraction form
934,846,296/1,290,125,874.24 = 517,151,379.84/x - Step 3: Cross multiply
934,846,296x = 1,290,125,874.24 × 517,151,379.84 - Step 4: Simplify right side
934,846,296x = 667,190,376,030,502,272 - Step 5: Solve for x
x = 667,190,376,030,502,272/934,846,296 - Step 6: Final answer
x = 713,689,917.67
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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.