Finding the Fourth Proportional to 3,639,266,486.40, 5,458,899,729.60 and 1,459,796,764.80
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Solution
The fourth proportional to 3,639,266,486.40, 5,458,899,729.60 and 1,459,796,764.80 is: 2,189,695,147.20
Step by Step Solution
- Step 1: Write the proportion equation
3,639,266,486.40 : 5,458,899,729.60 = 1,459,796,764.80 : x - Step 2: Convert to fraction form
3,639,266,486.40/5,458,899,729.60 = 1,459,796,764.80/x - Step 3: Cross multiply
3,639,266,486.40x = 5,458,899,729.60 × 1,459,796,764.80 - Step 4: Simplify right side
3,639,266,486.40x = 7,968,884,164,637,675,520 - Step 5: Solve for x
x = 7,968,884,164,637,675,520/3,639,266,486.40 - Step 6: Final answer
x = 2,189,695,147.20
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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.