Finding the Fourth Proportional to 5,806,272,000.20, 8,709,408,000.30 and 5,207,656,857.80
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Solution
The fourth proportional to 5,806,272,000.20, 8,709,408,000.30 and 5,207,656,857.80 is: 7,811,485,286.70
Step by Step Solution
- Step 1: Write the proportion equation
5,806,272,000.20 : 8,709,408,000.30 = 5,207,656,857.80 : x - Step 2: Convert to fraction form
5,806,272,000.20/8,709,408,000.30 = 5,207,656,857.80/x - Step 3: Cross multiply
5,806,272,000.20x = 8,709,408,000.30 × 5,207,656,857.80 - Step 4: Simplify right side
5,806,272,000.20x = 45,355,608,300,140,478,464 - Step 5: Solve for x
x = 45,355,608,300,140,478,464/5,806,272,000.20 - Step 6: Final answer
x = 7,811,485,286.70
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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.