Finding the Fourth Proportional to 2,235,362,221.20, 3,353,043,331.80 and 2,220,056,720.40
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Solution
The fourth proportional to 2,235,362,221.20, 3,353,043,331.80 and 2,220,056,720.40 is: 3,330,085,080.60
Step by Step Solution
- Step 1: Write the proportion equation
2,235,362,221.20 : 3,353,043,331.80 = 2,220,056,720.40 : x - Step 2: Convert to fraction form
2,235,362,221.20/3,353,043,331.80 = 2,220,056,720.40/x - Step 3: Cross multiply
2,235,362,221.20x = 3,353,043,331.80 × 2,220,056,720.40 - Step 4: Simplify right side
2,235,362,221.20x = 7,443,946,382,554,997,760 - Step 5: Solve for x
x = 7,443,946,382,554,997,760/2,235,362,221.20 - Step 6: Final answer
x = 3,330,085,080.60
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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.