Finding the Fourth Proportional to 964,467,023.70, 1,446,700,535.55 and 957,664,578.90
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Solution
The fourth proportional to 964,467,023.70, 1,446,700,535.55 and 957,664,578.90 is: 1,436,496,868.35
Step by Step Solution
- Step 1: Write the proportion equation
964,467,023.70 : 1,446,700,535.55 = 957,664,578.90 : x - Step 2: Convert to fraction form
964,467,023.70/1,446,700,535.55 = 957,664,578.90/x - Step 3: Cross multiply
964,467,023.70x = 1,446,700,535.55 × 957,664,578.90 - Step 4: Simplify right side
964,467,023.70x = 1,385,453,859,171,895,040 - Step 5: Solve for x
x = 1,385,453,859,171,895,040/964,467,023.70 - Step 6: Final answer
x = 1,436,496,868.35
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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.