Finding the Fourth Proportional to 834,337,516.40, 1,170,491,170 and 834,337,516.40
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Solution
The fourth proportional to 834,337,516.40, 1,170,491,170 and 834,337,516.40 is: 1,170,491,170
Step by Step Solution
- Step 1: Write the proportion equation
834,337,516.40 : 1,170,491,170 = 834,337,516.40 : x - Step 2: Convert to fraction form
834,337,516.40/1,170,491,170 = 834,337,516.40/x - Step 3: Cross multiply
834,337,516.40x = 1,170,491,170 × 834,337,516.40 - Step 4: Simplify right side
834,337,516.40x = 976,584,695,745,930,112 - Step 5: Solve for x
x = 976,584,695,745,930,112/834,337,516.40 - Step 6: Final answer
x = 1,170,491,170
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.