Finding the Fourth Proportional to 5,179,018,692.48, 7,147,599,652.80 and 3,173,184,977.28
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Solution
The fourth proportional to 5,179,018,692.48, 7,147,599,652.80 and 3,173,184,977.28 is: 4,379,334,616.96
Step by Step Solution
- Step 1: Write the proportion equation
5,179,018,692.48 : 7,147,599,652.80 = 3,173,184,977.28 : x - Step 2: Convert to fraction form
5,179,018,692.48/7,147,599,652.80 = 3,173,184,977.28/x - Step 3: Cross multiply
5,179,018,692.48x = 7,147,599,652.80 × 3,173,184,977.28 - Step 4: Simplify right side
5,179,018,692.48x = 22,680,655,841,876,705,280 - Step 5: Solve for x
x = 22,680,655,841,876,705,280/5,179,018,692.48 - Step 6: Final answer
x = 4,379,334,616.96
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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.