Finding the Fourth Proportional to 55,269,865,609.05, 82,904,798,413.58 and 46,086,565,129.05
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Solution
The fourth proportional to 55,269,865,609.05, 82,904,798,413.58 and 46,086,565,129.05 is: 69,129,847,693.58
Step by Step Solution
- Step 1: Write the proportion equation
55,269,865,609.05 : 82,904,798,413.58 = 46,086,565,129.05 : x - Step 2: Convert to fraction form
55,269,865,609.05/82,904,798,413.58 = 46,086,565,129.05/x - Step 3: Cross multiply
55,269,865,609.05x = 82,904,798,413.58 × 46,086,565,129.05 - Step 4: Simplify right side
55,269,865,609.05x = 3,820,797,391,597,985,595,392 - Step 5: Solve for x
x = 3,820,797,391,597,985,595,392/55,269,865,609.05 - Step 6: Final answer
x = 69,129,847,693.58
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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.