Finding the Fourth Proportional to 2,145,451,625.60, 3,218,177,438.40 and 1,854,647,110.40
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Solution
The fourth proportional to 2,145,451,625.60, 3,218,177,438.40 and 1,854,647,110.40 is: 2,781,970,665.60
Step by Step Solution
- Step 1: Write the proportion equation
2,145,451,625.60 : 3,218,177,438.40 = 1,854,647,110.40 : x - Step 2: Convert to fraction form
2,145,451,625.60/3,218,177,438.40 = 1,854,647,110.40/x - Step 3: Cross multiply
2,145,451,625.60x = 3,218,177,438.40 × 1,854,647,110.40 - Step 4: Simplify right side
2,145,451,625.60x = 5,968,583,486,883,034,112 - Step 5: Solve for x
x = 5,968,583,486,883,034,112/2,145,451,625.60 - Step 6: Final answer
x = 2,781,970,665.60
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1.5x scale
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.