Finding the Fourth Proportional to 1,819,584,046.60, 2,729,376,069.90 and 1,206,860,129.80
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Solution
The fourth proportional to 1,819,584,046.60, 2,729,376,069.90 and 1,206,860,129.80 is: 1,810,290,194.70
Step by Step Solution
- Step 1: Write the proportion equation
1,819,584,046.60 : 2,729,376,069.90 = 1,206,860,129.80 : x - Step 2: Convert to fraction form
1,819,584,046.60/2,729,376,069.90 = 1,206,860,129.80/x - Step 3: Cross multiply
1,819,584,046.60x = 2,729,376,069.90 × 1,206,860,129.80 - Step 4: Simplify right side
1,819,584,046.60x = 3,293,975,157,992,527,872 - Step 5: Solve for x
x = 3,293,975,157,992,527,872/1,819,584,046.60 - Step 6: Final answer
x = 1,810,290,194.70
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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.