Finding the Fourth Proportional to 2,990,729,523.60, 4,486,094,285.40 and 2,011,177,472.40
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Solution
The fourth proportional to 2,990,729,523.60, 4,486,094,285.40 and 2,011,177,472.40 is: 3,016,766,208.60
Step by Step Solution
- Step 1: Write the proportion equation
2,990,729,523.60 : 4,486,094,285.40 = 2,011,177,472.40 : x - Step 2: Convert to fraction form
2,990,729,523.60/4,486,094,285.40 = 2,011,177,472.40/x - Step 3: Cross multiply
2,990,729,523.60x = 4,486,094,285.40 × 2,011,177,472.40 - Step 4: Simplify right side
2,990,729,523.60x = 9,022,331,765,858,855,936 - Step 5: Solve for x
x = 9,022,331,765,858,855,936/2,990,729,523.60 - Step 6: Final answer
x = 3,016,766,208.60
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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.