Finding the Fourth Proportional to 3,639,171,745.20, 5,458,757,617.80 and 1,459,702,023.60
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Solution
The fourth proportional to 3,639,171,745.20, 5,458,757,617.80 and 1,459,702,023.60 is: 2,189,553,035.40
Step by Step Solution
- Step 1: Write the proportion equation
3,639,171,745.20 : 5,458,757,617.80 = 1,459,702,023.60 : x - Step 2: Convert to fraction form
3,639,171,745.20/5,458,757,617.80 = 1,459,702,023.60/x - Step 3: Cross multiply
3,639,171,745.20x = 5,458,757,617.80 × 1,459,702,023.60 - Step 4: Simplify right side
3,639,171,745.20x = 7,968,159,541,044,575,232 - Step 5: Solve for x
x = 7,968,159,541,044,575,232/3,639,171,745.20 - Step 6: Final answer
x = 2,189,553,035.40
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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.