Finding the Fourth Proportional to 1,620,546,227.10, 2,235,119,922.60 and 1,394,869,308.18
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Solution
The fourth proportional to 1,620,546,227.10, 2,235,119,922.60 and 1,394,869,308.18 is: 1,923,857,603.07
Step by Step Solution
- Step 1: Write the proportion equation
1,620,546,227.10 : 2,235,119,922.60 = 1,394,869,308.18 : x - Step 2: Convert to fraction form
1,620,546,227.10/2,235,119,922.60 = 1,394,869,308.18/x - Step 3: Cross multiply
1,620,546,227.10x = 2,235,119,922.60 × 1,394,869,308.18 - Step 4: Simplify right side
1,620,546,227.10x = 3,117,700,180,136,397,312 - Step 5: Solve for x
x = 3,117,700,180,136,397,312/1,620,546,227.10 - Step 6: Final answer
x = 1,923,857,603.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.