Finding the Fourth Proportional to 730,843,013.99, 1,096,328,971.88 and 206,216,716.92
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Solution
The fourth proportional to 730,843,013.99, 1,096,328,971.88 and 206,216,716.92 is: 309,343,261.03
Step by Step Solution
- Step 1: Write the proportion equation
730,843,013.99 : 1,096,328,971.88 = 206,216,716.92 : x - Step 2: Convert to fraction form
730,843,013.99/1,096,328,971.88 = 206,216,716.92/x - Step 3: Cross multiply
730,843,013.99x = 1,096,328,971.88 × 206,216,716.92 - Step 4: Simplify right side
730,843,013.99x = 226,081,361,244,341,504 - Step 5: Solve for x
x = 226,081,361,244,341,504/730,843,013.99 - Step 6: Final answer
x = 309,343,261.03
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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.