Finding the Fourth Proportional to 5,917,864,639.56, 8,163,556,993.89 and 3,659,082,119.88
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Solution
The fourth proportional to 5,917,864,639.56, 8,163,556,993.89 and 3,659,082,119.88 is: 5,047,618,904.85
Step by Step Solution
- Step 1: Write the proportion equation
5,917,864,639.56 : 8,163,556,993.89 = 3,659,082,119.88 : x - Step 2: Convert to fraction form
5,917,864,639.56/8,163,556,993.89 = 3,659,082,119.88/x - Step 3: Cross multiply
5,917,864,639.56x = 8,163,556,993.89 × 3,659,082,119.88 - Step 4: Simplify right side
5,917,864,639.56x = 29,871,125,430,964,224,000 - Step 5: Solve for x
x = 29,871,125,430,964,224,000/5,917,864,639.56 - Step 6: Final answer
x = 5,047,618,904.85
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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.