Finding the Fourth Proportional to 408,848,271.80, 613,272,407.70 and 245,589,596.60
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Solution
The fourth proportional to 408,848,271.80, 613,272,407.70 and 245,589,596.60 is: 368,384,394.90
Step by Step Solution
- Step 1: Write the proportion equation
408,848,271.80 : 613,272,407.70 = 245,589,596.60 : x - Step 2: Convert to fraction form
408,848,271.80/613,272,407.70 = 245,589,596.60/x - Step 3: Cross multiply
408,848,271.80x = 613,272,407.70 × 245,589,596.60 - Step 4: Simplify right side
408,848,271.80x = 150,613,323,212,953,728 - Step 5: Solve for x
x = 150,613,323,212,953,728/408,848,271.80 - Step 6: Final answer
x = 368,384,394.90
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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.