Finding the Fourth Proportional to 2,764,867,977.88, 4,147,305,958.36 and 1,129,092,579.88
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Solution
The fourth proportional to 2,764,867,977.88, 4,147,305,958.36 and 1,129,092,579.88 is: 1,693,640,499.85
Step by Step Solution
- Step 1: Write the proportion equation
2,764,867,977.88 : 4,147,305,958.36 = 1,129,092,579.88 : x - Step 2: Convert to fraction form
2,764,867,977.88/4,147,305,958.36 = 1,129,092,579.88/x - Step 3: Cross multiply
2,764,867,977.88x = 4,147,305,958.36 × 1,129,092,579.88 - Step 4: Simplify right side
2,764,867,977.88x = 4,682,692,384,076,389,376 - Step 5: Solve for x
x = 4,682,692,384,076,389,376/2,764,867,977.88 - Step 6: Final answer
x = 1,693,640,499.85
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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.