Finding the Fourth Proportional to 2,792,510,134.40, 4,188,765,201.60 and 2,751,695,465.60
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Solution
The fourth proportional to 2,792,510,134.40, 4,188,765,201.60 and 2,751,695,465.60 is: 4,127,543,198.40
Step by Step Solution
- Step 1: Write the proportion equation
2,792,510,134.40 : 4,188,765,201.60 = 2,751,695,465.60 : x - Step 2: Convert to fraction form
2,792,510,134.40/4,188,765,201.60 = 2,751,695,465.60/x - Step 3: Cross multiply
2,792,510,134.40x = 4,188,765,201.60 × 2,751,695,465.60 - Step 4: Simplify right side
2,792,510,134.40x = 11,526,206,211,705,788,416 - Step 5: Solve for x
x = 11,526,206,211,705,788,416/2,792,510,134.40 - Step 6: Final answer
x = 4,127,543,198.40
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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.