Finding the Fourth Proportional to 3,779,263,413.20, 5,668,895,119.80 and 2,146,676,661.20
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Solution
The fourth proportional to 3,779,263,413.20, 5,668,895,119.80 and 2,146,676,661.20 is: 3,220,014,991.80
Step by Step Solution
- Step 1: Write the proportion equation
3,779,263,413.20 : 5,668,895,119.80 = 2,146,676,661.20 : x - Step 2: Convert to fraction form
3,779,263,413.20/5,668,895,119.80 = 2,146,676,661.20/x - Step 3: Cross multiply
3,779,263,413.20x = 5,668,895,119.80 × 2,146,676,661.20 - Step 4: Simplify right side
3,779,263,413.20x = 12,169,284,848,465,238,016 - Step 5: Solve for x
x = 12,169,284,848,465,238,016/3,779,263,413.20 - Step 6: Final answer
x = 3,220,014,991.80
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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.