Finding the Fourth Proportional to 487,294,566.12, 731,133,255.42 and 214,474,072.68
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Solution
The fourth proportional to 487,294,566.12, 731,133,255.42 and 214,474,072.68 is: 321,795,353.09
Step by Step Solution
- Step 1: Write the proportion equation
487,294,566.12 : 731,133,255.42 = 214,474,072.68 : x - Step 2: Convert to fraction form
487,294,566.12/731,133,255.42 = 214,474,072.68/x - Step 3: Cross multiply
487,294,566.12x = 731,133,255.42 × 214,474,072.68 - Step 4: Simplify right side
487,294,566.12x = 156,809,126,961,714,080 - Step 5: Solve for x
x = 156,809,126,961,714,080/487,294,566.12 - Step 6: Final answer
x = 321,795,353.09
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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.