Finding the Fourth Proportional to 314,928,629.10, 471,542,638.05 and 314,928,629.10
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Solution
The fourth proportional to 314,928,629.10, 471,542,638.05 and 314,928,629.10 is: 471,542,638.05
Step by Step Solution
- Step 1: Write the proportion equation
314,928,629.10 : 471,542,638.05 = 314,928,629.10 : x - Step 2: Convert to fraction form
314,928,629.10/471,542,638.05 = 314,928,629.10/x - Step 3: Cross multiply
314,928,629.10x = 471,542,638.05 × 314,928,629.10 - Step 4: Simplify right side
314,928,629.10x = 148,502,276,563,284,000 - Step 5: Solve for x
x = 148,502,276,563,284,000/314,928,629.10 - Step 6: Final answer
x = 471,542,638.05
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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.