Finding the Fourth Proportional to 330,294,262.74, 455,382,958.36 and 270,535,410.72
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Solution
The fourth proportional to 330,294,262.74, 455,382,958.36 and 270,535,410.72 is: 372,992,296.79
Step by Step Solution
- Step 1: Write the proportion equation
330,294,262.74 : 455,382,958.36 = 270,535,410.72 : x - Step 2: Convert to fraction form
330,294,262.74/455,382,958.36 = 270,535,410.72/x - Step 3: Cross multiply
330,294,262.74x = 455,382,958.36 × 270,535,410.72 - Step 4: Simplify right side
330,294,262.74x = 123,197,215,673,458,592 - Step 5: Solve for x
x = 123,197,215,673,458,592/330,294,262.74 - Step 6: Final answer
x = 372,992,296.79
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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.