Finding the Fourth Proportional to 332,338,750.74, 498,062,516.36 and 258,651,503.64
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Solution
The fourth proportional to 332,338,750.74, 498,062,516.36 and 258,651,503.64 is: 387,630,447.77
Step by Step Solution
- Step 1: Write the proportion equation
332,338,750.74 : 498,062,516.36 = 258,651,503.64 : x - Step 2: Convert to fraction form
332,338,750.74/498,062,516.36 = 258,651,503.64/x - Step 3: Cross multiply
332,338,750.74x = 498,062,516.36 × 258,651,503.64 - Step 4: Simplify right side
332,338,750.74x = 128,824,618,761,942,832 - Step 5: Solve for x
x = 128,824,618,761,942,832/332,338,750.74 - Step 6: Final answer
x = 387,630,447.77
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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.