Finding the Fourth Proportional to 1,958,568,014.40, 2,937,852,021.60 and 504,545,438.40
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Solution
The fourth proportional to 1,958,568,014.40, 2,937,852,021.60 and 504,545,438.40 is: 756,818,157.60
Step by Step Solution
- Step 1: Write the proportion equation
1,958,568,014.40 : 2,937,852,021.60 = 504,545,438.40 : x - Step 2: Convert to fraction form
1,958,568,014.40/2,937,852,021.60 = 504,545,438.40/x - Step 3: Cross multiply
1,958,568,014.40x = 2,937,852,021.60 × 504,545,438.40 - Step 4: Simplify right side
1,958,568,014.40x = 1,482,279,836,192,498,176 - Step 5: Solve for x
x = 1,482,279,836,192,498,176/1,958,568,014.40 - Step 6: Final answer
x = 756,818,157.60
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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.