Finding the Fourth Proportional to 391,100,801.80, 586,651,202.70 and 132,324,464.20
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Solution
The fourth proportional to 391,100,801.80, 586,651,202.70 and 132,324,464.20 is: 198,486,696.30
Step by Step Solution
- Step 1: Write the proportion equation
391,100,801.80 : 586,651,202.70 = 132,324,464.20 : x - Step 2: Convert to fraction form
391,100,801.80/586,651,202.70 = 132,324,464.20/x - Step 3: Cross multiply
391,100,801.80x = 586,651,202.70 × 132,324,464.20 - Step 4: Simplify right side
391,100,801.80x = 77,628,306,069,563,104 - Step 5: Solve for x
x = 77,628,306,069,563,104/391,100,801.80 - Step 6: Final answer
x = 198,486,696.30
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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.