Finding the Fourth Proportional to 2,069,715,101.20, 3,104,572,651.80 and 1,661,568,413.20
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Solution
The fourth proportional to 2,069,715,101.20, 3,104,572,651.80 and 1,661,568,413.20 is: 2,492,352,619.80
Step by Step Solution
- Step 1: Write the proportion equation
2,069,715,101.20 : 3,104,572,651.80 = 1,661,568,413.20 : x - Step 2: Convert to fraction form
2,069,715,101.20/3,104,572,651.80 = 1,661,568,413.20/x - Step 3: Cross multiply
2,069,715,101.20x = 3,104,572,651.80 × 1,661,568,413.20 - Step 4: Simplify right side
2,069,715,101.20x = 5,158,459,854,715,442,176 - Step 5: Solve for x
x = 5,158,459,854,715,442,176/2,069,715,101.20 - Step 6: Final answer
x = 2,492,352,619.80
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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.