Finding the Fourth Proportional to 1,585,874,586.80, 2,378,811,880.20 and 966,001,804.40
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Solution
The fourth proportional to 1,585,874,586.80, 2,378,811,880.20 and 966,001,804.40 is: 1,449,002,706.60
Step by Step Solution
- Step 1: Write the proportion equation
1,585,874,586.80 : 2,378,811,880.20 = 966,001,804.40 : x - Step 2: Convert to fraction form
1,585,874,586.80/2,378,811,880.20 = 966,001,804.40/x - Step 3: Cross multiply
1,585,874,586.80x = 2,378,811,880.20 × 966,001,804.40 - Step 4: Simplify right side
1,585,874,586.80x = 2,297,936,568,601,356,288 - Step 5: Solve for x
x = 2,297,936,568,601,356,288/1,585,874,586.80 - Step 6: Final answer
x = 1,449,002,706.60
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1.5x scale
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.