Finding the Fourth Proportional to 945,523,917.97, 1,420,438,212.97 and 684,015,087.90
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Solution
The fourth proportional to 945,523,917.97, 1,420,438,212.97 and 684,015,087.90 is: 1,027,579,684.27
Step by Step Solution
- Step 1: Write the proportion equation
945,523,917.97 : 1,420,438,212.97 = 684,015,087.90 : x - Step 2: Convert to fraction form
945,523,917.97/1,420,438,212.97 = 684,015,087.90/x - Step 3: Cross multiply
945,523,917.97x = 1,420,438,212.97 × 684,015,087.90 - Step 4: Simplify right side
945,523,917.97x = 971,601,169,096,784,640 - Step 5: Solve for x
x = 971,601,169,096,784,640/945,523,917.97 - Step 6: Final answer
x = 1,027,579,684.27
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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.