Finding the Fourth Proportional to 3,963,121,844.40, 5,944,682,766.60 and 1,202,746,431.60
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Solution
The fourth proportional to 3,963,121,844.40, 5,944,682,766.60 and 1,202,746,431.60 is: 1,804,119,647.40
Step by Step Solution
- Step 1: Write the proportion equation
3,963,121,844.40 : 5,944,682,766.60 = 1,202,746,431.60 : x - Step 2: Convert to fraction form
3,963,121,844.40/5,944,682,766.60 = 1,202,746,431.60/x - Step 3: Cross multiply
3,963,121,844.40x = 5,944,682,766.60 × 1,202,746,431.60 - Step 4: Simplify right side
3,963,121,844.40x = 7,149,945,984,522,165,248 - Step 5: Solve for x
x = 7,149,945,984,522,165,248/3,963,121,844.40 - Step 6: Final answer
x = 1,804,119,647.40
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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.