Finding the Fourth Proportional to 6,465,987,069.80, 9,698,980,604.70 and 2,979,202,668.80
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Solution
The fourth proportional to 6,465,987,069.80, 9,698,980,604.70 and 2,979,202,668.80 is: 4,468,804,003.20
Step by Step Solution
- Step 1: Write the proportion equation
6,465,987,069.80 : 9,698,980,604.70 = 2,979,202,668.80 : x - Step 2: Convert to fraction form
6,465,987,069.80/9,698,980,604.70 = 2,979,202,668.80/x - Step 3: Cross multiply
6,465,987,069.80x = 9,698,980,604.70 × 2,979,202,668.80 - Step 4: Simplify right side
6,465,987,069.80x = 28,895,228,902,161,682,432 - Step 5: Solve for x
x = 28,895,228,902,161,682,432/6,465,987,069.80 - Step 6: Final answer
x = 4,468,804,003.20
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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.