Finding the Fourth Proportional to 3,910,651,619.22, 5,396,801,515.59 and 2,126,609,413.98
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Solution
The fourth proportional to 3,910,651,619.22, 5,396,801,515.59 and 2,126,609,413.98 is: 2,934,776,611.66
Step by Step Solution
- Step 1: Write the proportion equation
3,910,651,619.22 : 5,396,801,515.59 = 2,126,609,413.98 : x - Step 2: Convert to fraction form
3,910,651,619.22/5,396,801,515.59 = 2,126,609,413.98/x - Step 3: Cross multiply
3,910,651,619.22x = 5,396,801,515.59 × 2,126,609,413.98 - Step 4: Simplify right side
3,910,651,619.22x = 11,476,888,908,435,226,624 - Step 5: Solve for x
x = 11,476,888,908,435,226,624/3,910,651,619.22 - Step 6: Final answer
x = 2,934,776,611.66
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1.5x scale
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.