Finding the Fourth Proportional to 1,982,447,191.08, 2,738,574,692.10 and 1,588,586,570.28
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Solution
The fourth proportional to 1,982,447,191.08, 2,738,574,692.10 and 1,588,586,570.28 is: 2,194,491,231.42
Step by Step Solution
- Step 1: Write the proportion equation
1,982,447,191.08 : 2,738,574,692.10 = 1,588,586,570.28 : x - Step 2: Convert to fraction form
1,982,447,191.08/2,738,574,692.10 = 1,588,586,570.28/x - Step 3: Cross multiply
1,982,447,191.08x = 2,738,574,692.10 × 1,588,586,570.28 - Step 4: Simplify right side
1,982,447,191.08x = 4,350,462,977,578,745,856 - Step 5: Solve for x
x = 4,350,462,977,578,745,856/1,982,447,191.08 - Step 6: Final answer
x = 2,194,491,231.42
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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.