Finding the Fourth Proportional to 477,944,795.70, 716,917,193.55 and 329,991,621.30
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Solution
The fourth proportional to 477,944,795.70, 716,917,193.55 and 329,991,621.30 is: 494,987,431.95
Step by Step Solution
- Step 1: Write the proportion equation
477,944,795.70 : 716,917,193.55 = 329,991,621.30 : x - Step 2: Convert to fraction form
477,944,795.70/716,917,193.55 = 329,991,621.30/x - Step 3: Cross multiply
477,944,795.70x = 716,917,193.55 × 329,991,621.30 - Step 4: Simplify right side
477,944,795.70x = 236,576,667,037,410,400 - Step 5: Solve for x
x = 236,576,667,037,410,400/477,944,795.70 - Step 6: Final answer
x = 494,987,431.95
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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.