Finding the Fourth Proportional to 8,498,660,163.20, 12,747,990,244.80 and 2,977,200,749.60
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Solution
The fourth proportional to 8,498,660,163.20, 12,747,990,244.80 and 2,977,200,749.60 is: 4,465,801,124.40
Step by Step Solution
- Step 1: Write the proportion equation
8,498,660,163.20 : 12,747,990,244.80 = 2,977,200,749.60 : x - Step 2: Convert to fraction form
8,498,660,163.20/12,747,990,244.80 = 2,977,200,749.60/x - Step 3: Cross multiply
8,498,660,163.20x = 12,747,990,244.80 × 2,977,200,749.60 - Step 4: Simplify right side
8,498,660,163.20x = 37,953,326,112,712,040,448 - Step 5: Solve for x
x = 37,953,326,112,712,040,448/8,498,660,163.20 - Step 6: Final answer
x = 4,465,801,124.40
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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.