Finding the Fourth Proportional to 1,165,023,163.60, 1,747,534,745.40 and 1,065,253,973.20
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Solution
The fourth proportional to 1,165,023,163.60, 1,747,534,745.40 and 1,065,253,973.20 is: 1,597,880,959.80
Step by Step Solution
- Step 1: Write the proportion equation
1,165,023,163.60 : 1,747,534,745.40 = 1,065,253,973.20 : x - Step 2: Convert to fraction form
1,165,023,163.60/1,747,534,745.40 = 1,065,253,973.20/x - Step 3: Cross multiply
1,165,023,163.60x = 1,747,534,745.40 × 1,065,253,973.20 - Step 4: Simplify right side
1,165,023,163.60x = 1,861,568,330,842,400,512 - Step 5: Solve for x
x = 1,861,568,330,842,400,512/1,165,023,163.60 - Step 6: Final answer
x = 1,597,880,959.80
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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.