Finding the Fourth Proportional to 860,556,484.26, 1,291,098,165.52 and 440,675,147.79
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Solution
The fourth proportional to 860,556,484.26, 1,291,098,165.52 and 440,675,147.79 is: 661,147,624.02
Step by Step Solution
- Step 1: Write the proportion equation
860,556,484.26 : 1,291,098,165.52 = 440,675,147.79 : x - Step 2: Convert to fraction form
860,556,484.26/1,291,098,165.52 = 440,675,147.79/x - Step 3: Cross multiply
860,556,484.26x = 1,291,098,165.52 × 440,675,147.79 - Step 4: Simplify right side
860,556,484.26x = 568,954,874,901,923,904 - Step 5: Solve for x
x = 568,954,874,901,923,904/860,556,484.26 - Step 6: Final answer
x = 661,147,624.02
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1.5x scale
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.