Finding the Fourth Proportional to 606,203,551.20, 909,305,326.80 and 412,493,306.70
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Solution
The fourth proportional to 606,203,551.20, 909,305,326.80 and 412,493,306.70 is: 618,739,960.05
Step by Step Solution
- Step 1: Write the proportion equation
606,203,551.20 : 909,305,326.80 = 412,493,306.70 : x - Step 2: Convert to fraction form
606,203,551.20/909,305,326.80 = 412,493,306.70/x - Step 3: Cross multiply
606,203,551.20x = 909,305,326.80 × 412,493,306.70 - Step 4: Simplify right side
606,203,551.20x = 375,082,361,051,656,128 - Step 5: Solve for x
x = 375,082,361,051,656,128/606,203,551.20 - Step 6: Final answer
x = 618,739,960.05
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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.