Finding the Fourth Proportional to 220,739,858,516.36, 304,677,682,479.21 and 143,769,501,471.98
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Solution
The fourth proportional to 220,739,858,516.36, 304,677,682,479.21 and 143,769,501,471.98 is: 198,438,826,653.63
Step by Step Solution
- Step 1: Write the proportion equation
220,739,858,516.36 : 304,677,682,479.21 = 143,769,501,471.98 : x - Step 2: Convert to fraction form
220,739,858,516.36/304,677,682,479.21 = 143,769,501,471.98/x - Step 3: Cross multiply
220,739,858,516.36x = 304,677,682,479.21 × 143,769,501,471.98 - Step 4: Simplify right side
220,739,858,516.36x = 43,803,358,519,674,246,529,024 - Step 5: Solve for x
x = 43,803,358,519,674,246,529,024/220,739,858,516.36 - Step 6: Final answer
x = 198,438,826,653.63
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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.