Finding the Fourth Proportional to 3,834,497,626.40, 5,751,746,439.60 and 1,974,879,279.20
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Solution
The fourth proportional to 3,834,497,626.40, 5,751,746,439.60 and 1,974,879,279.20 is: 2,962,318,918.80
Step by Step Solution
- Step 1: Write the proportion equation
3,834,497,626.40 : 5,751,746,439.60 = 1,974,879,279.20 : x - Step 2: Convert to fraction form
3,834,497,626.40/5,751,746,439.60 = 1,974,879,279.20/x - Step 3: Cross multiply
3,834,497,626.40x = 5,751,746,439.60 × 1,974,879,279.20 - Step 4: Simplify right side
3,834,497,626.40x = 11,359,004,862,778,415,104 - Step 5: Solve for x
x = 11,359,004,862,778,415,104/3,834,497,626.40 - Step 6: Final answer
x = 2,962,318,918.80
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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.