Finding the Fourth Proportional to 3,087,907,288.44, 4,261,344,970.20 and 1,678,211,325.24
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Solution
The fourth proportional to 3,087,907,288.44, 4,261,344,970.20 and 1,678,211,325.24 is: 2,315,949,515.88
Step by Step Solution
- Step 1: Write the proportion equation
3,087,907,288.44 : 4,261,344,970.20 = 1,678,211,325.24 : x - Step 2: Convert to fraction form
3,087,907,288.44/4,261,344,970.20 = 1,678,211,325.24/x - Step 3: Cross multiply
3,087,907,288.44x = 4,261,344,970.20 × 1,678,211,325.24 - Step 4: Simplify right side
3,087,907,288.44x = 7,151,437,389,744,150,528 - Step 5: Solve for x
x = 7,151,437,389,744,150,528/3,087,907,288.44 - Step 6: Final answer
x = 2,315,949,515.88
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1.5x scale
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.