Finding the Fourth Proportional to 1,512,192,028.80, 2,268,288,043.20 and 1,447,694,774.40
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Solution
The fourth proportional to 1,512,192,028.80, 2,268,288,043.20 and 1,447,694,774.40 is: 2,171,542,161.60
Step by Step Solution
- Step 1: Write the proportion equation
1,512,192,028.80 : 2,268,288,043.20 = 1,447,694,774.40 : x - Step 2: Convert to fraction form
1,512,192,028.80/2,268,288,043.20 = 1,447,694,774.40/x - Step 3: Cross multiply
1,512,192,028.80x = 2,268,288,043.20 × 1,447,694,774.40 - Step 4: Simplify right side
1,512,192,028.80x = 3,283,788,746,974,641,152 - Step 5: Solve for x
x = 3,283,788,746,974,641,152/1,512,192,028.80 - Step 6: Final answer
x = 2,171,542,161.60
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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.