Finding the Fourth Proportional to 7,554,336,744.40, 11,331,505,116.60 and 2,646,372,821.20
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Solution
The fourth proportional to 7,554,336,744.40, 11,331,505,116.60 and 2,646,372,821.20 is: 3,969,559,231.80
Step by Step Solution
- Step 1: Write the proportion equation
7,554,336,744.40 : 11,331,505,116.60 = 2,646,372,821.20 : x - Step 2: Convert to fraction form
7,554,336,744.40/11,331,505,116.60 = 2,646,372,821.20/x - Step 3: Cross multiply
7,554,336,744.40x = 11,331,505,116.60 × 2,646,372,821.20 - Step 4: Simplify right side
7,554,336,744.40x = 29,987,387,163,858,976,768 - Step 5: Solve for x
x = 29,987,387,163,858,976,768/7,554,336,744.40 - Step 6: Final answer
x = 3,969,559,231.80
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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.