Finding the Fourth Proportional to 3,107,569,379.87, 4,288,395,696.85 and 1,697,843,072.99
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Solution
The fourth proportional to 3,107,569,379.87, 4,288,395,696.85 and 1,697,843,072.99 is: 2,342,996,096.98
Step by Step Solution
- Step 1: Write the proportion equation
3,107,569,379.87 : 4,288,395,696.85 = 1,697,843,072.99 : x - Step 2: Convert to fraction form
3,107,569,379.87/4,288,395,696.85 = 1,697,843,072.99/x - Step 3: Cross multiply
3,107,569,379.87x = 4,288,395,696.85 × 1,697,843,072.99 - Step 4: Simplify right side
3,107,569,379.87x = 7,281,022,928,149,824,512 - Step 5: Solve for x
x = 7,281,022,928,149,824,512/3,107,569,379.87 - Step 6: Final answer
x = 2,342,996,096.98
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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.