Finding the Fourth Proportional to 4,145,697,716.30, 6,218,546,574.45 and 1,821,174,782.30
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Solution
The fourth proportional to 4,145,697,716.30, 6,218,546,574.45 and 1,821,174,782.30 is: 2,731,762,173.45
Step by Step Solution
- Step 1: Write the proportion equation
4,145,697,716.30 : 6,218,546,574.45 = 1,821,174,782.30 : x - Step 2: Convert to fraction form
4,145,697,716.30/6,218,546,574.45 = 1,821,174,782.30/x - Step 3: Cross multiply
4,145,697,716.30x = 6,218,546,574.45 × 1,821,174,782.30 - Step 4: Simplify right side
4,145,697,716.30x = 11,325,060,203,946,389,504 - Step 5: Solve for x
x = 11,325,060,203,946,389,504/4,145,697,716.30 - Step 6: Final answer
x = 2,731,762,173.45
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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.