Finding the Fourth Proportional to 1,597,701,182.40, 2,396,551,773.60 and 628,384,420.80
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Solution
The fourth proportional to 1,597,701,182.40, 2,396,551,773.60 and 628,384,420.80 is: 942,576,631.20
Step by Step Solution
- Step 1: Write the proportion equation
1,597,701,182.40 : 2,396,551,773.60 = 628,384,420.80 : x - Step 2: Convert to fraction form
1,597,701,182.40/2,396,551,773.60 = 628,384,420.80/x - Step 3: Cross multiply
1,597,701,182.40x = 2,396,551,773.60 × 628,384,420.80 - Step 4: Simplify right side
1,597,701,182.40x = 1,505,955,798,170,848,512 - Step 5: Solve for x
x = 1,505,955,798,170,848,512/1,597,701,182.40 - Step 6: Final answer
x = 942,576,631.20
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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.