Finding the Fourth Proportional to 4,621,787,509.24, 6,378,066,762.60 and 2,641,680,858.52
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Solution
The fourth proportional to 4,621,787,509.24, 6,378,066,762.60 and 2,641,680,858.52 is: 3,645,519,584.67
Step by Step Solution
- Step 1: Write the proportion equation
4,621,787,509.24 : 6,378,066,762.60 = 2,641,680,858.52 : x - Step 2: Convert to fraction form
4,621,787,509.24/6,378,066,762.60 = 2,641,680,858.52/x - Step 3: Cross multiply
4,621,787,509.24x = 6,378,066,762.60 × 2,641,680,858.52 - Step 4: Simplify right side
4,621,787,509.24x = 16,848,816,881,123,045,376 - Step 5: Solve for x
x = 16,848,816,881,123,045,376/4,621,787,509.24 - Step 6: Final answer
x = 3,645,519,584.67
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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.