Finding the Fourth Proportional to 1,151,452,183.48, 1,727,183,310.80 and 364,509,678.83
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Solution
The fourth proportional to 1,151,452,183.48, 1,727,183,310.80 and 364,509,678.83 is: 546,766,112.33
Step by Step Solution
- Step 1: Write the proportion equation
1,151,452,183.48 : 1,727,183,310.80 = 364,509,678.83 : x - Step 2: Convert to fraction form
1,151,452,183.48/1,727,183,310.80 = 364,509,678.83/x - Step 3: Cross multiply
1,151,452,183.48x = 1,727,183,310.80 × 364,509,678.83 - Step 4: Simplify right side
1,151,452,183.48x = 629,575,033,889,785,600 - Step 5: Solve for x
x = 629,575,033,889,785,600/1,151,452,183.48 - Step 6: Final answer
x = 546,766,112.33
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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.