Finding the Fourth Proportional to 9,544,986,235.36, 13,172,489,257.26 and 5,315,897,445.76
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Solution
The fourth proportional to 9,544,986,235.36, 13,172,489,257.26 and 5,315,897,445.76 is: 7,336,165,843.55
Step by Step Solution
- Step 1: Write the proportion equation
9,544,986,235.36 : 13,172,489,257.26 = 5,315,897,445.76 : x - Step 2: Convert to fraction form
9,544,986,235.36/13,172,489,257.26 = 5,315,897,445.76/x - Step 3: Cross multiply
9,544,986,235.36x = 13,172,489,257.26 × 5,315,897,445.76 - Step 4: Simplify right side
9,544,986,235.36x = 70,023,601,996,969,476,096 - Step 5: Solve for x
x = 70,023,601,996,969,476,096/9,544,986,235.36 - Step 6: Final answer
x = 7,336,165,843.55
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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.