Finding the Fourth Proportional to 3,670,272,059.20, 5,505,408,088.80 and 1,216,987,604.80
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Solution
The fourth proportional to 3,670,272,059.20, 5,505,408,088.80 and 1,216,987,604.80 is: 1,825,481,407.20
Step by Step Solution
- Step 1: Write the proportion equation
3,670,272,059.20 : 5,505,408,088.80 = 1,216,987,604.80 : x - Step 2: Convert to fraction form
3,670,272,059.20/5,505,408,088.80 = 1,216,987,604.80/x - Step 3: Cross multiply
3,670,272,059.20x = 5,505,408,088.80 × 1,216,987,604.80 - Step 4: Simplify right side
3,670,272,059.20x = 6,700,013,403,435,257,856 - Step 5: Solve for x
x = 6,700,013,403,435,257,856/3,670,272,059.20 - Step 6: Final answer
x = 1,825,481,407.20
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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.