Finding the Fourth Proportional to 798,451,630.96, 1,198,106,215.14 and 332,434,765.12
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Solution
The fourth proportional to 798,451,630.96, 1,198,106,215.14 and 332,434,765.12 is: 498,830,665.22
Step by Step Solution
- Step 1: Write the proportion equation
798,451,630.96 : 1,198,106,215.14 = 332,434,765.12 : x - Step 2: Convert to fraction form
798,451,630.96/1,198,106,215.14 = 332,434,765.12/x - Step 3: Cross multiply
798,451,630.96x = 1,198,106,215.14 × 332,434,765.12 - Step 4: Simplify right side
798,451,630.96x = 398,292,158,218,878,144 - Step 5: Solve for x
x = 398,292,158,218,878,144/798,451,630.96 - Step 6: Final answer
x = 498,830,665.22
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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.