Finding the Fourth Proportional to 7,948,314,608.40, 11,922,471,912.60 and 2,713,833,334.80
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Solution
The fourth proportional to 7,948,314,608.40, 11,922,471,912.60 and 2,713,833,334.80 is: 4,070,750,002.20
Step by Step Solution
- Step 1: Write the proportion equation
7,948,314,608.40 : 11,922,471,912.60 = 2,713,833,334.80 : x - Step 2: Convert to fraction form
7,948,314,608.40/11,922,471,912.60 = 2,713,833,334.80/x - Step 3: Cross multiply
7,948,314,608.40x = 11,922,471,912.60 × 2,713,833,334.80 - Step 4: Simplify right side
7,948,314,608.40x = 32,355,601,709,630,595,072 - Step 5: Solve for x
x = 32,355,601,709,630,595,072/7,948,314,608.40 - Step 6: Final answer
x = 4,070,750,002.20
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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.