Finding the Fourth Proportional to 1,761,591,558.48, 2,431,066,393.80 and 968,702,542.80
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Solution
The fourth proportional to 1,761,591,558.48, 2,431,066,393.80 and 968,702,542.80 is: 1,336,848,025.90
Step by Step Solution
- Step 1: Write the proportion equation
1,761,591,558.48 : 2,431,066,393.80 = 968,702,542.80 : x - Step 2: Convert to fraction form
1,761,591,558.48/2,431,066,393.80 = 968,702,542.80/x - Step 3: Cross multiply
1,761,591,558.48x = 2,431,066,393.80 × 968,702,542.80 - Step 4: Simplify right side
1,761,591,558.48x = 2,354,980,197,389,686,272 - Step 5: Solve for x
x = 2,354,980,197,389,686,272/1,761,591,558.48 - Step 6: Final answer
x = 1,336,848,025.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.