Finding the Fourth Proportional to 4,048,137,208.20, 6,072,205,812.30 and 1,288,045,230.60
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Solution
The fourth proportional to 4,048,137,208.20, 6,072,205,812.30 and 1,288,045,230.60 is: 1,932,067,845.90
Step by Step Solution
- Step 1: Write the proportion equation
4,048,137,208.20 : 6,072,205,812.30 = 1,288,045,230.60 : x - Step 2: Convert to fraction form
4,048,137,208.20/6,072,205,812.30 = 1,288,045,230.60/x - Step 3: Cross multiply
4,048,137,208.20x = 6,072,205,812.30 × 1,288,045,230.60 - Step 4: Simplify right side
4,048,137,208.20x = 7,821,275,735,754,613,760 - Step 5: Solve for x
x = 7,821,275,735,754,613,760/4,048,137,208.20 - Step 6: Final answer
x = 1,932,067,845.90
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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.