Finding the Fourth Proportional to 411,289,439.36, 567,579,426.37 and 235,081,218.12
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Solution
The fourth proportional to 411,289,439.36, 567,579,426.37 and 235,081,218.12 is: 324,412,081.03
Step by Step Solution
- Step 1: Write the proportion equation
411,289,439.36 : 567,579,426.37 = 235,081,218.12 : x - Step 2: Convert to fraction form
411,289,439.36/567,579,426.37 = 235,081,218.12/x - Step 3: Cross multiply
411,289,439.36x = 567,579,426.37 × 235,081,218.12 - Step 4: Simplify right side
411,289,439.36x = 133,427,262,929,449,744 - Step 5: Solve for x
x = 133,427,262,929,449,744/411,289,439.36 - Step 6: Final answer
x = 324,412,081.03
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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.