Finding the Fourth Proportional to 7,100,694,620.40, 10,651,041,930.60 and 1,860,292,700.40
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Solution
The fourth proportional to 7,100,694,620.40, 10,651,041,930.60 and 1,860,292,700.40 is: 2,790,439,050.60
Step by Step Solution
- Step 1: Write the proportion equation
7,100,694,620.40 : 10,651,041,930.60 = 1,860,292,700.40 : x - Step 2: Convert to fraction form
7,100,694,620.40/10,651,041,930.60 = 1,860,292,700.40/x - Step 3: Cross multiply
7,100,694,620.40x = 10,651,041,930.60 × 1,860,292,700.40 - Step 4: Simplify right side
7,100,694,620.40x = 19,814,055,555,149,504,512 - Step 5: Solve for x
x = 19,814,055,555,149,504,512/7,100,694,620.40 - Step 6: Final answer
x = 2,790,439,050.60
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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.