Finding the Fourth Proportional to 1,530,083,960.40, 2,295,125,940.60 and 560,609,605.20
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Solution
The fourth proportional to 1,530,083,960.40, 2,295,125,940.60 and 560,609,605.20 is: 840,914,407.80
Step by Step Solution
- Step 1: Write the proportion equation
1,530,083,960.40 : 2,295,125,940.60 = 560,609,605.20 : x - Step 2: Convert to fraction form
1,530,083,960.40/2,295,125,940.60 = 560,609,605.20/x - Step 3: Cross multiply
1,530,083,960.40x = 2,295,125,940.60 × 560,609,605.20 - Step 4: Simplify right side
1,530,083,960.40x = 1,286,669,647,444,044,800 - Step 5: Solve for x
x = 1,286,669,647,444,044,800/1,530,083,960.40 - Step 6: Final answer
x = 840,914,407.80
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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.