Finding the Fourth Proportional to 419,722,573.60, 629,583,860.40 and 132,470,912.80
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Solution
The fourth proportional to 419,722,573.60, 629,583,860.40 and 132,470,912.80 is: 198,706,369.20
Step by Step Solution
- Step 1: Write the proportion equation
419,722,573.60 : 629,583,860.40 = 132,470,912.80 : x - Step 2: Convert to fraction form
419,722,573.60/629,583,860.40 = 132,470,912.80/x - Step 3: Cross multiply
419,722,573.60x = 629,583,860.40 × 132,470,912.80 - Step 4: Simplify right side
419,722,573.60x = 83,401,548,671,335,776 - Step 5: Solve for x
x = 83,401,548,671,335,776/419,722,573.60 - Step 6: Final answer
x = 198,706,369.20
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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.