Finding the Fourth Proportional to 290,614,301.67, 436,125,763.26 and 262,828,988.49
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Solution
The fourth proportional to 290,614,301.67, 436,125,763.26 and 262,828,988.49 is: 394,428,259.56
Step by Step Solution
- Step 1: Write the proportion equation
290,614,301.67 : 436,125,763.26 = 262,828,988.49 : x - Step 2: Convert to fraction form
290,614,301.67/436,125,763.26 = 262,828,988.49/x - Step 3: Cross multiply
290,614,301.67x = 436,125,763.26 × 262,828,988.49 - Step 4: Simplify right side
290,614,301.67x = 114,626,493,212,055,008 - Step 5: Solve for x
x = 114,626,493,212,055,008/290,614,301.67 - Step 6: Final answer
x = 394,428,259.56
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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.