Finding the Fourth Proportional to 977,761,163.10, 1,466,641,744.65 and 888,797,939.70
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Solution
The fourth proportional to 977,761,163.10, 1,466,641,744.65 and 888,797,939.70 is: 1,333,196,909.55
Step by Step Solution
- Step 1: Write the proportion equation
977,761,163.10 : 1,466,641,744.65 = 888,797,939.70 : x - Step 2: Convert to fraction form
977,761,163.10/1,466,641,744.65 = 888,797,939.70/x - Step 3: Cross multiply
977,761,163.10x = 1,466,641,744.65 × 888,797,939.70 - Step 4: Simplify right side
977,761,163.10x = 1,303,548,160,922,933,760 - Step 5: Solve for x
x = 1,303,548,160,922,933,760/977,761,163.10 - Step 6: Final answer
x = 1,333,196,909.55
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Similar ratio
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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.