Finding the Fourth Proportional to 1,546,351,343.12, 2,133,965,200.92 and 850,990,319.12
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Solution
The fourth proportional to 1,546,351,343.12, 2,133,965,200.92 and 850,990,319.12 is: 1,174,366,831.58
Step by Step Solution
- Step 1: Write the proportion equation
1,546,351,343.12 : 2,133,965,200.92 = 850,990,319.12 : x - Step 2: Convert to fraction form
1,546,351,343.12/2,133,965,200.92 = 850,990,319.12/x - Step 3: Cross multiply
1,546,351,343.12x = 2,133,965,200.92 × 850,990,319.12 - Step 4: Simplify right side
1,546,351,343.12x = 1,815,983,727,321,885,696 - Step 5: Solve for x
x = 1,815,983,727,321,885,696/1,546,351,343.12 - Step 6: Final answer
x = 1,174,366,831.58
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.