Finding the Fourth Proportional to 419,453,583.23, 629,361,812.05 and 225,137,994.14
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Solution
The fourth proportional to 419,453,583.23, 629,361,812.05 and 225,137,994.14 is: 337,804,376.02
Step by Step Solution
- Step 1: Write the proportion equation
419,453,583.23 : 629,361,812.05 = 225,137,994.14 : x - Step 2: Convert to fraction form
419,453,583.23/629,361,812.05 = 225,137,994.14/x - Step 3: Cross multiply
419,453,583.23x = 629,361,812.05 × 225,137,994.14 - Step 4: Simplify right side
419,453,583.23x = 141,693,255,954,263,248 - Step 5: Solve for x
x = 141,693,255,954,263,248/419,453,583.23 - Step 6: Final answer
x = 337,804,376.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.