Finding the Fourth Proportional to 522,372,715.42, 783,903,835.80 and 276,901,731.58
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Solution
The fourth proportional to 522,372,715.42, 783,903,835.80 and 276,901,731.58 is: 415,535,350.75
Step by Step Solution
- Step 1: Write the proportion equation
522,372,715.42 : 783,903,835.80 = 276,901,731.58 : x - Step 2: Convert to fraction form
522,372,715.42/783,903,835.80 = 276,901,731.58/x - Step 3: Cross multiply
522,372,715.42x = 783,903,835.80 × 276,901,731.58 - Step 4: Simplify right side
522,372,715.42x = 217,064,329,526,491,488 - Step 5: Solve for x
x = 217,064,329,526,491,488/522,372,715.42 - Step 6: Final answer
x = 415,535,350.75
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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.