Finding the Fourth Proportional to 3,033,764,380.99, 4,186,425,970.22 and 1,677,319,861.72
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Solution
The fourth proportional to 3,033,764,380.99, 4,186,425,970.22 and 1,677,319,861.72 is: 2,314,608,040.59
Step by Step Solution
- Step 1: Write the proportion equation
3,033,764,380.99 : 4,186,425,970.22 = 1,677,319,861.72 : x - Step 2: Convert to fraction form
3,033,764,380.99/4,186,425,970.22 = 1,677,319,861.72/x - Step 3: Cross multiply
3,033,764,380.99x = 4,186,425,970.22 × 1,677,319,861.72 - Step 4: Simplify right side
3,033,764,380.99x = 7,021,975,429,476,701,184 - Step 5: Solve for x
x = 7,021,975,429,476,701,184/3,033,764,380.99 - Step 6: Final answer
x = 2,314,608,040.59
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.