Finding the Fourth Proportional to 3,986,042,542.20, 5,979,063,813.30 and 1,656,205,198.20
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Solution
The fourth proportional to 3,986,042,542.20, 5,979,063,813.30 and 1,656,205,198.20 is: 2,484,307,797.30
Step by Step Solution
- Step 1: Write the proportion equation
3,986,042,542.20 : 5,979,063,813.30 = 1,656,205,198.20 : x - Step 2: Convert to fraction form
3,986,042,542.20/5,979,063,813.30 = 1,656,205,198.20/x - Step 3: Cross multiply
3,986,042,542.20x = 5,979,063,813.30 × 1,656,205,198.20 - Step 4: Simplify right side
3,986,042,542.20x = 9,902,556,567,956,975,616 - Step 5: Solve for x
x = 9,902,556,567,956,975,616/3,986,042,542.20 - Step 6: Final answer
x = 2,484,307,797.30
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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.