Finding the Fourth Proportional to 1,757,245,081.44, 2,425,035,251.14 and 964,284,124.80
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Solution
The fourth proportional to 1,757,245,081.44, 2,425,035,251.14 and 964,284,124.80 is: 1,330,732,417.15
Step by Step Solution
- Step 1: Write the proportion equation
1,757,245,081.44 : 2,425,035,251.14 = 964,284,124.80 : x - Step 2: Convert to fraction form
1,757,245,081.44/2,425,035,251.14 = 964,284,124.80/x - Step 3: Cross multiply
1,757,245,081.44x = 2,425,035,251.14 × 964,284,124.80 - Step 4: Simplify right side
1,757,245,081.44x = 2,338,422,994,754,682,880 - Step 5: Solve for x
x = 2,338,422,994,754,682,880/1,757,245,081.44 - Step 6: Final answer
x = 1,330,732,417.15
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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.