Finding the Fourth Proportional to 696,561,719.12, 1,044,993,744.12 and 211,874,930
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Solution
The fourth proportional to 696,561,719.12, 1,044,993,744.12 and 211,874,930 is: 317,858,375.37
Step by Step Solution
- Step 1: Write the proportion equation
696,561,719.12 : 1,044,993,744.12 = 211,874,930 : x - Step 2: Convert to fraction form
696,561,719.12/1,044,993,744.12 = 211,874,930/x - Step 3: Cross multiply
696,561,719.12x = 1,044,993,744.12 × 211,874,930 - Step 4: Simplify right side
696,561,719.12x = 221,407,976,385,862,912 - Step 5: Solve for x
x = 221,407,976,385,862,912/696,561,719.12 - Step 6: Final answer
x = 317,858,375.37
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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.