Finding the Fourth Proportional to 5,968,310,515.20, 8,952,465,772.80 and 5,605,214,860.80
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Solution
The fourth proportional to 5,968,310,515.20, 8,952,465,772.80 and 5,605,214,860.80 is: 8,407,822,291.20
Step by Step Solution
- Step 1: Write the proportion equation
5,968,310,515.20 : 8,952,465,772.80 = 5,605,214,860.80 : x - Step 2: Convert to fraction form
5,968,310,515.20/8,952,465,772.80 = 5,605,214,860.80/x - Step 3: Cross multiply
5,968,310,515.20x = 8,952,465,772.80 × 5,605,214,860.80 - Step 4: Simplify right side
5,968,310,515.20x = 50,180,494,190,501,912,576 - Step 5: Solve for x
x = 50,180,494,190,501,912,576/5,968,310,515.20 - Step 6: Final answer
x = 8,407,822,291.20
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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.