Finding the Fourth Proportional to 9,523,215,452.93, 13,129,837,588.79 and 7,800,217,185.07
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Solution
The fourth proportional to 9,523,215,452.93, 13,129,837,588.79 and 7,800,217,185.07 is: 10,754,307,229.88
Step by Step Solution
- Step 1: Write the proportion equation
9,523,215,452.93 : 13,129,837,588.79 = 7,800,217,185.07 : x - Step 2: Convert to fraction form
9,523,215,452.93/13,129,837,588.79 = 7,800,217,185.07/x - Step 3: Cross multiply
9,523,215,452.93x = 13,129,837,588.79 × 7,800,217,185.07 - Step 4: Simplify right side
9,523,215,452.93x = 102,415,584,797,153,148,928 - Step 5: Solve for x
x = 102,415,584,797,153,148,928/9,523,215,452.93 - Step 6: Final answer
x = 10,754,307,229.88
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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.