Finding the Fourth Proportional to 4,660,416,186.80, 6,990,624,280.20 and 4,230,434,490.80
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Solution
The fourth proportional to 4,660,416,186.80, 6,990,624,280.20 and 4,230,434,490.80 is: 6,345,651,736.20
Step by Step Solution
- Step 1: Write the proportion equation
4,660,416,186.80 : 6,990,624,280.20 = 4,230,434,490.80 : x - Step 2: Convert to fraction form
4,660,416,186.80/6,990,624,280.20 = 4,230,434,490.80/x - Step 3: Cross multiply
4,660,416,186.80x = 6,990,624,280.20 × 4,230,434,490.80 - Step 4: Simplify right side
4,660,416,186.80x = 29,573,378,067,182,002,176 - Step 5: Solve for x
x = 29,573,378,067,182,002,176/4,660,416,186.80 - Step 6: Final answer
x = 6,345,651,736.20
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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.