Finding the Fourth Proportional to 3,768,315,828.40, 5,653,316,740.90 and 1,148,324,984.42
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Solution
The fourth proportional to 3,768,315,828.40, 5,653,316,740.90 and 1,148,324,984.42 is: 1,722,744,364.87
Step by Step Solution
- Step 1: Write the proportion equation
3,768,315,828.40 : 5,653,316,740.90 = 1,148,324,984.42 : x - Step 2: Convert to fraction form
3,768,315,828.40/5,653,316,740.90 = 1,148,324,984.42/x - Step 3: Cross multiply
3,768,315,828.40x = 5,653,316,740.90 × 1,148,324,984.42 - Step 4: Simplify right side
3,768,315,828.40x = 6,491,844,858,415,318,016 - Step 5: Solve for x
x = 6,491,844,858,415,318,016/3,768,315,828.40 - Step 6: Final answer
x = 1,722,744,364.87
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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.