Finding the Fourth Proportional to 1,469,776,777.80, 2,204,665,166.70 and 379,259,845.80
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Solution
The fourth proportional to 1,469,776,777.80, 2,204,665,166.70 and 379,259,845.80 is: 568,889,768.70
Step by Step Solution
- Step 1: Write the proportion equation
1,469,776,777.80 : 2,204,665,166.70 = 379,259,845.80 : x - Step 2: Convert to fraction form
1,469,776,777.80/2,204,665,166.70 = 379,259,845.80/x - Step 3: Cross multiply
1,469,776,777.80x = 2,204,665,166.70 × 379,259,845.80 - Step 4: Simplify right side
1,469,776,777.80x = 836,140,971,163,273,216 - Step 5: Solve for x
x = 836,140,971,163,273,216/1,469,776,777.80 - Step 6: Final answer
x = 568,889,768.70
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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.