Finding the Fourth Proportional to 3,172,982,346.42, 4,374,100,776.22 and 2,217,396,291.41
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Solution
The fourth proportional to 3,172,982,346.42, 4,374,100,776.22 and 2,217,396,291.41 is: 3,056,781,847.65
Step by Step Solution
- Step 1: Write the proportion equation
3,172,982,346.42 : 4,374,100,776.22 = 2,217,396,291.41 : x - Step 2: Convert to fraction form
3,172,982,346.42/4,374,100,776.22 = 2,217,396,291.41/x - Step 3: Cross multiply
3,172,982,346.42x = 4,374,100,776.22 × 2,217,396,291.41 - Step 4: Simplify right side
3,172,982,346.42x = 9,699,114,839,449,221,120 - Step 5: Solve for x
x = 9,699,114,839,449,221,120/3,172,982,346.42 - Step 6: Final answer
x = 3,056,781,847.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.