Finding the Fourth Proportional to 7,102,704,808.60, 10,654,057,212.90 and 6,812,467,163.80
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Solution
The fourth proportional to 7,102,704,808.60, 10,654,057,212.90 and 6,812,467,163.80 is: 10,218,700,745.70
Step by Step Solution
- Step 1: Write the proportion equation
7,102,704,808.60 : 10,654,057,212.90 = 6,812,467,163.80 : x - Step 2: Convert to fraction form
7,102,704,808.60/10,654,057,212.90 = 6,812,467,163.80/x - Step 3: Cross multiply
7,102,704,808.60x = 10,654,057,212.90 × 6,812,467,163.80 - Step 4: Simplify right side
7,102,704,808.60x = 72,580,414,924,127,797,248 - Step 5: Solve for x
x = 72,580,414,924,127,797,248/7,102,704,808.60 - Step 6: Final answer
x = 10,218,700,745.70
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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.