Finding the Fourth Proportional to 480,701,441.21, 720,951,269.72 and 135,574,355.58
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Solution
The fourth proportional to 480,701,441.21, 720,951,269.72 and 135,574,355.58 is: 203,333,078.33
Step by Step Solution
- Step 1: Write the proportion equation
480,701,441.21 : 720,951,269.72 = 135,574,355.58 : x - Step 2: Convert to fraction form
480,701,441.21/720,951,269.72 = 135,574,355.58/x - Step 3: Cross multiply
480,701,441.21x = 720,951,269.72 × 135,574,355.58 - Step 4: Simplify right side
480,701,441.21x = 97,742,503,796,193,904 - Step 5: Solve for x
x = 97,742,503,796,193,904/480,701,441.21 - Step 6: Final answer
x = 203,333,078.33
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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.