Finding the Fourth Proportional to 16,129,879,438.40, 24,194,819,157.60 and 16,129,879,438.40
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Solution
The fourth proportional to 16,129,879,438.40, 24,194,819,157.60 and 16,129,879,438.40 is: 24,194,819,157.60
Step by Step Solution
- Step 1: Write the proportion equation
16,129,879,438.40 : 24,194,819,157.60 = 16,129,879,438.40 : x - Step 2: Convert to fraction form
16,129,879,438.40/24,194,819,157.60 = 16,129,879,438.40/x - Step 3: Cross multiply
16,129,879,438.40x = 24,194,819,157.60 × 16,129,879,438.40 - Step 4: Simplify right side
16,129,879,438.40x = 390,259,516,045,978,632,192 - Step 5: Solve for x
x = 390,259,516,045,978,632,192/16,129,879,438.40 - Step 6: Final answer
x = 24,194,819,157.60
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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.