Finding the Fourth Proportional to 446,867,122.84, 670,325,896.66 and 135,984,870.56
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Solution
The fourth proportional to 446,867,122.84, 670,325,896.66 and 135,984,870.56 is: 203,984,978.15
Step by Step Solution
- Step 1: Write the proportion equation
446,867,122.84 : 670,325,896.66 = 135,984,870.56 : x - Step 2: Convert to fraction form
446,867,122.84/670,325,896.66 = 135,984,870.56/x - Step 3: Cross multiply
446,867,122.84x = 670,325,896.66 × 135,984,870.56 - Step 4: Simplify right side
446,867,122.84x = 91,154,180,290,326,032 - Step 5: Solve for x
x = 91,154,180,290,326,032/446,867,122.84 - Step 6: Final answer
x = 203,984,978.15
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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.