Finding the Fourth Proportional to 531,551,862.60, 797,327,793.90 and 326,414,761.80
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Solution
The fourth proportional to 531,551,862.60, 797,327,793.90 and 326,414,761.80 is: 489,622,142.70
Step by Step Solution
- Step 1: Write the proportion equation
531,551,862.60 : 797,327,793.90 = 326,414,761.80 : x - Step 2: Convert to fraction form
531,551,862.60/797,327,793.90 = 326,414,761.80/x - Step 3: Cross multiply
531,551,862.60x = 797,327,793.90 × 326,414,761.80 - Step 4: Simplify right side
531,551,862.60x = 260,259,561,922,388,000 - Step 5: Solve for x
x = 260,259,561,922,388,000/531,551,862.60 - Step 6: Final answer
x = 489,622,142.70
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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.