Finding the Fourth Proportional to 446,753,569.20, 670,130,353.80 and 325,821,217.20
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Solution
The fourth proportional to 446,753,569.20, 670,130,353.80 and 325,821,217.20 is: 488,731,825.80
Step by Step Solution
- Step 1: Write the proportion equation
446,753,569.20 : 670,130,353.80 = 325,821,217.20 : x - Step 2: Convert to fraction form
446,753,569.20/670,130,353.80 = 325,821,217.20/x - Step 3: Cross multiply
446,753,569.20x = 670,130,353.80 × 325,821,217.20 - Step 4: Simplify right side
446,753,569.20x = 218,342,687,557,782,624 - Step 5: Solve for x
x = 218,342,687,557,782,624/446,753,569.20 - Step 6: Final answer
x = 488,731,825.80
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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.