Finding the Fourth Proportional to 8,425,670,041.44, 12,639,339,621.36 and 3,115,174,596.48
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Solution
The fourth proportional to 8,425,670,041.44, 12,639,339,621.36 and 3,115,174,596.48 is: 4,673,070,451.50
Step by Step Solution
- Step 1: Write the proportion equation
8,425,670,041.44 : 12,639,339,621.36 = 3,115,174,596.48 : x - Step 2: Convert to fraction form
8,425,670,041.44/12,639,339,621.36 = 3,115,174,596.48/x - Step 3: Cross multiply
8,425,670,041.44x = 12,639,339,621.36 × 3,115,174,596.48 - Step 4: Simplify right side
8,425,670,041.44x = 39,373,749,704,743,813,120 - Step 5: Solve for x
x = 39,373,749,704,743,813,120/8,425,670,041.44 - Step 6: Final answer
x = 4,673,070,451.50
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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.