Finding the Fourth Proportional to 3,532,416,092.20, 5,298,624,138.30 and 2,151,519,797.80
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Solution
The fourth proportional to 3,532,416,092.20, 5,298,624,138.30 and 2,151,519,797.80 is: 3,227,279,696.70
Step by Step Solution
- Step 1: Write the proportion equation
3,532,416,092.20 : 5,298,624,138.30 = 2,151,519,797.80 : x - Step 2: Convert to fraction form
3,532,416,092.20/5,298,624,138.30 = 2,151,519,797.80/x - Step 3: Cross multiply
3,532,416,092.20x = 5,298,624,138.30 × 2,151,519,797.80 - Step 4: Simplify right side
3,532,416,092.20x = 11,400,094,734,653,417,472 - Step 5: Solve for x
x = 11,400,094,734,653,417,472/3,532,416,092.20 - Step 6: Final answer
x = 3,227,279,696.70
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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.