Finding the Fourth Proportional to 756,751,010.55, 1,135,126,515.83 and 756,751,010.55
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Solution
The fourth proportional to 756,751,010.55, 1,135,126,515.83 and 756,751,010.55 is: 1,135,126,515.83
Step by Step Solution
- Step 1: Write the proportion equation
756,751,010.55 : 1,135,126,515.83 = 756,751,010.55 : x - Step 2: Convert to fraction form
756,751,010.55/1,135,126,515.83 = 756,751,010.55/x - Step 3: Cross multiply
756,751,010.55x = 1,135,126,515.83 × 756,751,010.55 - Step 4: Simplify right side
756,751,010.55x = 859,008,137,952,669,312 - Step 5: Solve for x
x = 859,008,137,952,669,312/756,751,010.55 - Step 6: Final answer
x = 1,135,126,515.83
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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.