Finding the Fourth Proportional to 1,347,542,616.28, 2,021,313,924.42 and 823,754,366.68
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Solution
The fourth proportional to 1,347,542,616.28, 2,021,313,924.42 and 823,754,366.68 is: 1,235,631,550.01
Step by Step Solution
- Step 1: Write the proportion equation
1,347,542,616.28 : 2,021,313,924.42 = 823,754,366.68 : x - Step 2: Convert to fraction form
1,347,542,616.28/2,021,313,924.42 = 823,754,366.68/x - Step 3: Cross multiply
1,347,542,616.28x = 2,021,313,924.42 × 823,754,366.68 - Step 4: Simplify right side
1,347,542,616.28x = 1,665,066,171,657,837,056 - Step 5: Solve for x
x = 1,665,066,171,657,837,056/1,347,542,616.28 - Step 6: Final answer
x = 1,235,631,550.01
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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.