Finding the Fourth Proportional to 446,461,425.37, 669,648,840.08 and 135,571,734.21
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Solution
The fourth proportional to 446,461,425.37, 669,648,840.08 and 135,571,734.21 is: 203,344,453.53
Step by Step Solution
- Step 1: Write the proportion equation
446,461,425.37 : 669,648,840.08 = 135,571,734.21 : x - Step 2: Convert to fraction form
446,461,425.37/669,648,840.08 = 135,571,734.21/x - Step 3: Cross multiply
446,461,425.37x = 669,648,840.08 × 135,571,734.21 - Step 4: Simplify right side
446,461,425.37x = 90,785,454,563,954,448 - Step 5: Solve for x
x = 90,785,454,563,954,448/446,461,425.37 - Step 6: Final answer
x = 203,344,453.53
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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.