Finding the Fourth Proportional to 1,983,568,501.77, 2,975,783,219.87 and 603,347,137.44
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Solution
The fourth proportional to 1,983,568,501.77, 2,975,783,219.87 and 603,347,137.44 is: 905,151,642.48
Step by Step Solution
- Step 1: Write the proportion equation
1,983,568,501.77 : 2,975,783,219.87 = 603,347,137.44 : x - Step 2: Convert to fraction form
1,983,568,501.77/2,975,783,219.87 = 603,347,137.44/x - Step 3: Cross multiply
1,983,568,501.77x = 2,975,783,219.87 × 603,347,137.44 - Step 4: Simplify right side
1,983,568,501.77x = 1,795,430,287,347,533,824 - Step 5: Solve for x
x = 1,795,430,287,347,533,824/1,983,568,501.77 - Step 6: Final answer
x = 905,151,642.48
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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.