Finding the Fourth Proportional to 959,597,431.80, 1,439,396,147.70 and 895,027,350.30
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Solution
The fourth proportional to 959,597,431.80, 1,439,396,147.70 and 895,027,350.30 is: 1,342,541,025.45
Step by Step Solution
- Step 1: Write the proportion equation
959,597,431.80 : 1,439,396,147.70 = 895,027,350.30 : x - Step 2: Convert to fraction form
959,597,431.80/1,439,396,147.70 = 895,027,350.30/x - Step 3: Cross multiply
959,597,431.80x = 1,439,396,147.70 × 895,027,350.30 - Step 4: Simplify right side
959,597,431.80x = 1,288,298,920,107,958,528 - Step 5: Solve for x
x = 1,288,298,920,107,958,528/959,597,431.80 - Step 6: Final answer
x = 1,342,541,025.45
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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.