Finding the Fourth Proportional to 1,226,188,386.24, 1,840,094,922.08 and 673,876,517.12
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Solution
The fourth proportional to 1,226,188,386.24, 1,840,094,922.08 and 673,876,517.12 is: 1,011,261,214.98
Step by Step Solution
- Step 1: Write the proportion equation
1,226,188,386.24 : 1,840,094,922.08 = 673,876,517.12 : x - Step 2: Convert to fraction form
1,226,188,386.24/1,840,094,922.08 = 673,876,517.12/x - Step 3: Cross multiply
1,226,188,386.24x = 1,840,094,922.08 × 673,876,517.12 - Step 4: Simplify right side
1,226,188,386.24x = 1,239,996,757,261,468,160 - Step 5: Solve for x
x = 1,239,996,757,261,468,160/1,226,188,386.24 - Step 6: Final answer
x = 1,011,261,214.98
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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.