Finding the Fourth Proportional to 426,166,256.63, 639,278,253.36 and 149,783,869.19
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Solution
The fourth proportional to 426,166,256.63, 639,278,253.36 and 149,783,869.19 is: 224,685,950.12
Step by Step Solution
- Step 1: Write the proportion equation
426,166,256.63 : 639,278,253.36 = 149,783,869.19 : x - Step 2: Convert to fraction form
426,166,256.63/639,278,253.36 = 149,783,869.19/x - Step 3: Cross multiply
426,166,256.63x = 639,278,253.36 × 149,783,869.19 - Step 4: Simplify right side
426,166,256.63x = 95,753,570,278,884,112 - Step 5: Solve for x
x = 95,753,570,278,884,112/426,166,256.63 - Step 6: Final answer
x = 224,685,950.12
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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.