Finding the Fourth Proportional to 2,135,295,430.40, 3,202,943,145.60 and 1,314,747,027.20
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Solution
The fourth proportional to 2,135,295,430.40, 3,202,943,145.60 and 1,314,747,027.20 is: 1,972,120,540.80
Step by Step Solution
- Step 1: Write the proportion equation
2,135,295,430.40 : 3,202,943,145.60 = 1,314,747,027.20 : x - Step 2: Convert to fraction form
2,135,295,430.40/3,202,943,145.60 = 1,314,747,027.20/x - Step 3: Cross multiply
2,135,295,430.40x = 3,202,943,145.60 × 1,314,747,027.20 - Step 4: Simplify right side
2,135,295,430.40x = 4,211,059,978,968,216,576 - Step 5: Solve for x
x = 4,211,059,978,968,216,576/2,135,295,430.40 - Step 6: Final answer
x = 1,972,120,540.80
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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.