Finding the Fourth Proportional to 394,464,050.46, 591,776,775.99 and 135,645,657.66
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Solution
The fourth proportional to 394,464,050.46, 591,776,775.99 and 135,645,657.66 is: 203,496,237.17
Step by Step Solution
- Step 1: Write the proportion equation
394,464,050.46 : 591,776,775.99 = 135,645,657.66 : x - Step 2: Convert to fraction form
394,464,050.46/591,776,775.99 = 135,645,657.66/x - Step 3: Cross multiply
394,464,050.46x = 591,776,775.99 × 135,645,657.66 - Step 4: Simplify right side
394,464,050.46x = 80,271,949,967,078,048 - Step 5: Solve for x
x = 80,271,949,967,078,048/394,464,050.46 - Step 6: Final answer
x = 203,496,237.17
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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.