Finding the Fourth Proportional to 334,540,491.36, 461,638,811.78 and 193,420,765.94
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Solution
The fourth proportional to 334,540,491.36, 461,638,811.78 and 193,420,765.94 is: 266,905,008.12
Step by Step Solution
- Step 1: Write the proportion equation
334,540,491.36 : 461,638,811.78 = 193,420,765.94 : x - Step 2: Convert to fraction form
334,540,491.36/461,638,811.78 = 193,420,765.94/x - Step 3: Cross multiply
334,540,491.36x = 461,638,811.78 × 193,420,765.94 - Step 4: Simplify right side
334,540,491.36x = 89,290,532,562,119,088 - Step 5: Solve for x
x = 89,290,532,562,119,088/334,540,491.36 - Step 6: Final answer
x = 266,905,008.12
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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.