Finding the Fourth Proportional to 8,667,652,467.20, 13,001,478,700.80 and 5,394,416,806.40
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Solution
The fourth proportional to 8,667,652,467.20, 13,001,478,700.80 and 5,394,416,806.40 is: 8,091,625,209.60
Step by Step Solution
- Step 1: Write the proportion equation
8,667,652,467.20 : 13,001,478,700.80 = 5,394,416,806.40 : x - Step 2: Convert to fraction form
8,667,652,467.20/13,001,478,700.80 = 5,394,416,806.40/x - Step 3: Cross multiply
8,667,652,467.20x = 13,001,478,700.80 × 5,394,416,806.40 - Step 4: Simplify right side
8,667,652,467.20x = 70,135,395,211,647,148,032 - Step 5: Solve for x
x = 70,135,395,211,647,148,032/8,667,652,467.20 - Step 6: Final answer
x = 8,091,625,209.60
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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.