Finding the Fourth Proportional to 7,185,183,795.20, 10,777,775,692.80 and 5,250,266,163.20
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Solution
The fourth proportional to 7,185,183,795.20, 10,777,775,692.80 and 5,250,266,163.20 is: 7,875,399,244.80
Step by Step Solution
- Step 1: Write the proportion equation
7,185,183,795.20 : 10,777,775,692.80 = 5,250,266,163.20 : x - Step 2: Convert to fraction form
7,185,183,795.20/10,777,775,692.80 = 5,250,266,163.20/x - Step 3: Cross multiply
7,185,183,795.20x = 10,777,775,692.80 × 5,250,266,163.20 - Step 4: Simplify right side
7,185,183,795.20x = 56,586,191,034,467,270,656 - Step 5: Solve for x
x = 56,586,191,034,467,270,656/7,185,183,795.20 - Step 6: Final answer
x = 7,875,399,244.80
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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.