Finding the Fourth Proportional to 3,579,563,597.08, 4,939,951,765.74 and 1,993,656,260.56
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Solution
The fourth proportional to 3,579,563,597.08, 4,939,951,765.74 and 1,993,656,260.56 is: 2,751,331,411.65
Step by Step Solution
- Step 1: Write the proportion equation
3,579,563,597.08 : 4,939,951,765.74 = 1,993,656,260.56 : x - Step 2: Convert to fraction form
3,579,563,597.08/4,939,951,765.74 = 1,993,656,260.56/x - Step 3: Cross multiply
3,579,563,597.08x = 4,939,951,765.74 × 1,993,656,260.56 - Step 4: Simplify right side
3,579,563,597.08x = 9,848,565,764,631,975,936 - Step 5: Solve for x
x = 9,848,565,764,631,975,936/3,579,563,597.08 - Step 6: Final answer
x = 2,751,331,411.65
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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.