Finding the Fourth Proportional to 7,860,289,913.99, 11,786,297,719.28 and 5,373,861,914.62
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Solution
The fourth proportional to 7,860,289,913.99, 11,786,297,719.28 and 5,373,861,914.62 is: 8,057,964,416.20
Step by Step Solution
- Step 1: Write the proportion equation
7,860,289,913.99 : 11,786,297,719.28 = 5,373,861,914.62 : x - Step 2: Convert to fraction form
7,860,289,913.99/11,786,297,719.28 = 5,373,861,914.62/x - Step 3: Cross multiply
7,860,289,913.99x = 11,786,297,719.28 × 5,373,861,914.62 - Step 4: Simplify right side
7,860,289,913.99x = 63,337,936,427,948,097,536 - Step 5: Solve for x
x = 63,337,936,427,948,097,536/7,860,289,913.99 - Step 6: Final answer
x = 8,057,964,416.20
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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.