Finding the Fourth Proportional to 470,436,817.37, 649,203,342.35 and 261,588,475.98
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Solution
The fourth proportional to 470,436,817.37, 649,203,342.35 and 261,588,475.98 is: 360,992,394.00
Step by Step Solution
- Step 1: Write the proportion equation
470,436,817.37 : 649,203,342.35 = 261,588,475.98 : x - Step 2: Convert to fraction form
470,436,817.37/649,203,342.35 = 261,588,475.98/x - Step 3: Cross multiply
470,436,817.37x = 649,203,342.35 × 261,588,475.98 - Step 4: Simplify right side
470,436,817.37x = 169,824,112,925,150,752 - Step 5: Solve for x
x = 169,824,112,925,150,752/470,436,817.37 - Step 6: Final answer
x = 360,992,394.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.