Finding the Fourth Proportional to 480,332,696.96, 720,557,347.52 and 135,286,322.56
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Solution
The fourth proportional to 480,332,696.96, 720,557,347.52 and 135,286,322.56 is: 202,945,904.70
Step by Step Solution
- Step 1: Write the proportion equation
480,332,696.96 : 720,557,347.52 = 135,286,322.56 : x - Step 2: Convert to fraction form
480,332,696.96/720,557,347.52 = 135,286,322.56/x - Step 3: Cross multiply
480,332,696.96x = 720,557,347.52 × 135,286,322.56 - Step 4: Simplify right side
480,332,696.96x = 97,481,553,739,568,736 - Step 5: Solve for x
x = 97,481,553,739,568,736/480,332,696.96 - Step 6: Final answer
x = 202,945,904.70
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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.