Finding the Fourth Proportional to 254,979,487.80, 382,469,231.70 and 249,310,783.80
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Solution
The fourth proportional to 254,979,487.80, 382,469,231.70 and 249,310,783.80 is: 373,966,175.70
Step by Step Solution
- Step 1: Write the proportion equation
254,979,487.80 : 382,469,231.70 = 249,310,783.80 : x - Step 2: Convert to fraction form
254,979,487.80/382,469,231.70 = 249,310,783.80/x - Step 3: Cross multiply
254,979,487.80x = 382,469,231.70 × 249,310,783.80 - Step 4: Simplify right side
254,979,487.80x = 95,353,703,934,510,816 - Step 5: Solve for x
x = 95,353,703,934,510,816/254,979,487.80 - Step 6: Final answer
x = 373,966,175.70
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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.