Finding the Fourth Proportional to 5,524,212,732.39, 8,280,735,643.85 and 2,378,479,259.07
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Solution
The fourth proportional to 5,524,212,732.39, 8,280,735,643.85 and 2,378,479,259.07 is: 3,565,314,902.38
Step by Step Solution
- Step 1: Write the proportion equation
5,524,212,732.39 : 8,280,735,643.85 = 2,378,479,259.07 : x - Step 2: Convert to fraction form
5,524,212,732.39/8,280,735,643.85 = 2,378,479,259.07/x - Step 3: Cross multiply
5,524,212,732.39x = 8,280,735,643.85 × 2,378,479,259.07 - Step 4: Simplify right side
5,524,212,732.39x = 19,695,557,978,726,998,016 - Step 5: Solve for x
x = 19,695,557,978,726,998,016/5,524,212,732.39 - Step 6: Final answer
x = 3,565,314,902.38
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1.5x scale
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.