Finding the Fourth Proportional to 3,045,466,465.94, 4,204,120,813.58 and 1,918,093,067.21
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Solution
The fourth proportional to 3,045,466,465.94, 4,204,120,813.58 and 1,918,093,067.21 is: 2,647,835,750.75
Step by Step Solution
- Step 1: Write the proportion equation
3,045,466,465.94 : 4,204,120,813.58 = 1,918,093,067.21 : x - Step 2: Convert to fraction form
3,045,466,465.94/4,204,120,813.58 = 1,918,093,067.21/x - Step 3: Cross multiply
3,045,466,465.94x = 4,204,120,813.58 × 1,918,093,067.21 - Step 4: Simplify right side
3,045,466,465.94x = 8,063,894,986,241,062,912 - Step 5: Solve for x
x = 8,063,894,986,241,062,912/3,045,466,465.94 - Step 6: Final answer
x = 2,647,835,750.75
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.