Finding the Fourth Proportional to 4,435,576,219.84, 6,121,143,556.32 and 2,455,460,121.28
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Solution
The fourth proportional to 4,435,576,219.84, 6,121,143,556.32 and 2,455,460,121.28 is: 3,388,561,745.81
Step by Step Solution
- Step 1: Write the proportion equation
4,435,576,219.84 : 6,121,143,556.32 = 2,455,460,121.28 : x - Step 2: Convert to fraction form
4,435,576,219.84/6,121,143,556.32 = 2,455,460,121.28/x - Step 3: Cross multiply
4,435,576,219.84x = 6,121,143,556.32 × 2,455,460,121.28 - Step 4: Simplify right side
4,435,576,219.84x = 15,030,223,899,173,797,888 - Step 5: Solve for x
x = 15,030,223,899,173,797,888/4,435,576,219.84 - Step 6: Final answer
x = 3,388,561,745.81
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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.