Finding the Fourth Proportional to 5,187,709,043.28, 7,782,041,932.68 and 1,694,132,826.32
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Solution
The fourth proportional to 5,187,709,043.28, 7,782,041,932.68 and 1,694,132,826.32 is: 2,541,355,458.44
Step by Step Solution
- Step 1: Write the proportion equation
5,187,709,043.28 : 7,782,041,932.68 = 1,694,132,826.32 : x - Step 2: Convert to fraction form
5,187,709,043.28/7,782,041,932.68 = 1,694,132,826.32/x - Step 3: Cross multiply
5,187,709,043.28x = 7,782,041,932.68 × 1,694,132,826.32 - Step 4: Simplify right side
5,187,709,043.28x = 13,183,812,693,951,924,224 - Step 5: Solve for x
x = 13,183,812,693,951,924,224/5,187,709,043.28 - Step 6: Final answer
x = 2,541,355,458.44
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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.