Finding the Fourth Proportional to 394,464,098.46, 591,776,847.99 and 135,645,705.66
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Solution
The fourth proportional to 394,464,098.46, 591,776,847.99 and 135,645,705.66 is: 203,496,309.18
Step by Step Solution
- Step 1: Write the proportion equation
394,464,098.46 : 591,776,847.99 = 135,645,705.66 : x - Step 2: Convert to fraction form
394,464,098.46/591,776,847.99 = 135,645,705.66/x - Step 3: Cross multiply
394,464,098.46x = 591,776,847.99 × 135,645,705.66 - Step 4: Simplify right side
394,464,098.46x = 80,271,988,138,854,096 - Step 5: Solve for x
x = 80,271,988,138,854,096/394,464,098.46 - Step 6: Final answer
x = 203,496,309.18
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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.