Finding the Fourth Proportional to 2,214,630,130.60, 3,321,945,195.90 and 2,180,192,753.80
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Solution
The fourth proportional to 2,214,630,130.60, 3,321,945,195.90 and 2,180,192,753.80 is: 3,270,289,130.70
Step by Step Solution
- Step 1: Write the proportion equation
2,214,630,130.60 : 3,321,945,195.90 = 2,180,192,753.80 : x - Step 2: Convert to fraction form
2,214,630,130.60/3,321,945,195.90 = 2,180,192,753.80/x - Step 3: Cross multiply
2,214,630,130.60x = 3,321,945,195.90 × 2,180,192,753.80 - Step 4: Simplify right side
2,214,630,130.60x = 7,242,480,844,621,901,824 - Step 5: Solve for x
x = 7,242,480,844,621,901,824/2,214,630,130.60 - Step 6: Final answer
x = 3,270,289,130.70
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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.