Finding the Fourth Proportional to 3,264,613,638.54, 4,889,742,636.63 and 2,697,953,379.18
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Solution
The fourth proportional to 3,264,613,638.54, 4,889,742,636.63 and 2,697,953,379.18 is: 4,040,998,148.78
Step by Step Solution
- Step 1: Write the proportion equation
3,264,613,638.54 : 4,889,742,636.63 = 2,697,953,379.18 : x - Step 2: Convert to fraction form
3,264,613,638.54/4,889,742,636.63 = 2,697,953,379.18/x - Step 3: Cross multiply
3,264,613,638.54x = 4,889,742,636.63 × 2,697,953,379.18 - Step 4: Simplify right side
3,264,613,638.54x = 13,192,297,669,816,430,592 - Step 5: Solve for x
x = 13,192,297,669,816,430,592/3,264,613,638.54 - Step 6: Final answer
x = 4,040,998,148.78
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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.