Finding the Fourth Proportional to 325,630,815.70, 457,092,465.50 and 325,630,815.70
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Solution
The fourth proportional to 325,630,815.70, 457,092,465.50 and 325,630,815.70 is: 457,092,465.50
Step by Step Solution
- Step 1: Write the proportion equation
325,630,815.70 : 457,092,465.50 = 325,630,815.70 : x - Step 2: Convert to fraction form
325,630,815.70/457,092,465.50 = 325,630,815.70/x - Step 3: Cross multiply
325,630,815.70x = 457,092,465.50 × 325,630,815.70 - Step 4: Simplify right side
325,630,815.70x = 148,843,392,391,089,088 - Step 5: Solve for x
x = 148,843,392,391,089,088/325,630,815.70 - Step 6: Final answer
x = 457,092,465.50
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.