Finding the Fourth Proportional to 6,384,451,966.56, 8,810,366,995.74 and 3,526,542,958.44
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Solution
The fourth proportional to 6,384,451,966.56, 8,810,366,995.74 and 3,526,542,958.44 is: 4,866,531,669.88
Step by Step Solution
- Step 1: Write the proportion equation
6,384,451,966.56 : 8,810,366,995.74 = 3,526,542,958.44 : x - Step 2: Convert to fraction form
6,384,451,966.56/8,810,366,995.74 = 3,526,542,958.44/x - Step 3: Cross multiply
6,384,451,966.56x = 8,810,366,995.74 × 3,526,542,958.44 - Step 4: Simplify right side
6,384,451,966.56x = 31,070,137,690,099,073,024 - Step 5: Solve for x
x = 31,070,137,690,099,073,024/6,384,451,966.56 - Step 6: Final answer
x = 4,866,531,669.88
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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.