Finding the Fourth Proportional to 351,361,942.31, 523,901,644.11 and 341,708,588.71
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Solution
The fourth proportional to 351,361,942.31, 523,901,644.11 and 341,708,588.71 is: 509,507,917.26
Step by Step Solution
- Step 1: Write the proportion equation
351,361,942.31 : 523,901,644.11 = 341,708,588.71 : x - Step 2: Convert to fraction form
351,361,942.31/523,901,644.11 = 341,708,588.71/x - Step 3: Cross multiply
351,361,942.31x = 523,901,644.11 × 341,708,588.71 - Step 4: Simplify right side
351,361,942.31x = 179,021,691,430,367,040 - Step 5: Solve for x
x = 179,021,691,430,367,040/351,361,942.31 - Step 6: Final answer
x = 509,507,917.26
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.