Finding the Fourth Proportional to 264,659,513.20, 396,989,269.80 and 155,536,961.20
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Solution
The fourth proportional to 264,659,513.20, 396,989,269.80 and 155,536,961.20 is: 233,305,441.80
Step by Step Solution
- Step 1: Write the proportion equation
264,659,513.20 : 396,989,269.80 = 155,536,961.20 : x - Step 2: Convert to fraction form
264,659,513.20/396,989,269.80 = 155,536,961.20/x - Step 3: Cross multiply
264,659,513.20x = 396,989,269.80 × 155,536,961.20 - Step 4: Simplify right side
264,659,513.20x = 61,746,504,653,698,928 - Step 5: Solve for x
x = 61,746,504,653,698,928/264,659,513.20 - Step 6: Final answer
x = 233,305,441.80
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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.