Finding the Fourth Proportional to 925,415,344.19, 1,378,504,763.73 and 875,291,821.97
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Solution
The fourth proportional to 925,415,344.19, 1,378,504,763.73 and 875,291,821.97 is: 1,303,840,436.42
Step by Step Solution
- Step 1: Write the proportion equation
925,415,344.19 : 1,378,504,763.73 = 875,291,821.97 : x - Step 2: Convert to fraction form
925,415,344.19/1,378,504,763.73 = 875,291,821.97/x - Step 3: Cross multiply
925,415,344.19x = 1,378,504,763.73 × 875,291,821.97 - Step 4: Simplify right side
925,415,344.19x = 1,206,593,946,235,989,760 - Step 5: Solve for x
x = 1,206,593,946,235,989,760/925,415,344.19 - Step 6: Final answer
x = 1,303,840,436.42
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.