Finding the Fourth Proportional to 275,593,083.20, 413,389,624.80 and 250,083,915.20
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Solution
The fourth proportional to 275,593,083.20, 413,389,624.80 and 250,083,915.20 is: 375,125,872.80
Step by Step Solution
- Step 1: Write the proportion equation
275,593,083.20 : 413,389,624.80 = 250,083,915.20 : x - Step 2: Convert to fraction form
275,593,083.20/413,389,624.80 = 250,083,915.20/x - Step 3: Cross multiply
275,593,083.20x = 413,389,624.80 × 250,083,915.20 - Step 4: Simplify right side
275,593,083.20x = 103,382,095,873,043,008 - Step 5: Solve for x
x = 103,382,095,873,043,008/275,593,083.20 - Step 6: Final answer
x = 375,125,872.80
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1.5x scale
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.