Finding the Fourth Proportional to 7,905,730,794.10, 11,858,178,538.38 and 2,593,143,157.97
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Solution
The fourth proportional to 7,905,730,794.10, 11,858,178,538.38 and 2,593,143,157.97 is: 3,889,577,743.49
Step by Step Solution
- Step 1: Write the proportion equation
7,905,730,794.10 : 11,858,178,538.38 = 2,593,143,157.97 : x - Step 2: Convert to fraction form
7,905,730,794.10/11,858,178,538.38 = 2,593,143,157.97/x - Step 3: Cross multiply
7,905,730,794.10x = 11,858,178,538.38 × 2,593,143,157.97 - Step 4: Simplify right side
7,905,730,794.10x = 30,749,954,542,786,789,376 - Step 5: Solve for x
x = 30,749,954,542,786,789,376/7,905,730,794.10 - Step 6: Final answer
x = 3,889,577,743.49
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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.