Finding the Fourth Proportional to 751,283,723.21, 1,036,616,284.64 and 433,738,466.49
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Solution
The fourth proportional to 751,283,723.21, 1,036,616,284.64 and 433,738,466.49 is: 598,469,451.36
Step by Step Solution
- Step 1: Write the proportion equation
751,283,723.21 : 1,036,616,284.64 = 433,738,466.49 : x - Step 2: Convert to fraction form
751,283,723.21/1,036,616,284.64 = 433,738,466.49/x - Step 3: Cross multiply
751,283,723.21x = 1,036,616,284.64 × 433,738,466.49 - Step 4: Simplify right side
751,283,723.21x = 449,620,357,643,296,960 - Step 5: Solve for x
x = 449,620,357,643,296,960/751,283,723.21 - Step 6: Final answer
x = 598,469,451.36
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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.