Finding the Fourth Proportional to 5,517,382,270.20, 8,276,073,405.30 and 4,918,767,127.80
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Solution
The fourth proportional to 5,517,382,270.20, 8,276,073,405.30 and 4,918,767,127.80 is: 7,378,150,691.70
Step by Step Solution
- Step 1: Write the proportion equation
5,517,382,270.20 : 8,276,073,405.30 = 4,918,767,127.80 : x - Step 2: Convert to fraction form
5,517,382,270.20/8,276,073,405.30 = 4,918,767,127.80/x - Step 3: Cross multiply
5,517,382,270.20x = 8,276,073,405.30 × 4,918,767,127.80 - Step 4: Simplify right side
5,517,382,270.20x = 40,708,077,813,249,449,984 - Step 5: Solve for x
x = 40,708,077,813,249,449,984/5,517,382,270.20 - Step 6: Final answer
x = 7,378,150,691.70
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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.