Finding the Fourth Proportional to 1,992,344,071.80, 2,980,453,950.90 and 1,750,479,367.80
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Solution
The fourth proportional to 1,992,344,071.80, 2,980,453,950.90 and 1,750,479,367.80 is: 2,618,635,617.00
Step by Step Solution
- Step 1: Write the proportion equation
1,992,344,071.80 : 2,980,453,950.90 = 1,750,479,367.80 : x - Step 2: Convert to fraction form
1,992,344,071.80/2,980,453,950.90 = 1,750,479,367.80/x - Step 3: Cross multiply
1,992,344,071.80x = 2,980,453,950.90 × 1,750,479,367.80 - Step 4: Simplify right side
1,992,344,071.80x = 5,217,223,147,728,444,416 - Step 5: Solve for x
x = 5,217,223,147,728,444,416/1,992,344,071.80 - Step 6: Final answer
x = 2,618,635,617.00
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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.