Finding the Fourth Proportional to 834,338,006.40, 1,170,491,856 and 834,338,006.40
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Solution
The fourth proportional to 834,338,006.40, 1,170,491,856 and 834,338,006.40 is: 1,170,491,856
Step by Step Solution
- Step 1: Write the proportion equation
834,338,006.40 : 1,170,491,856 = 834,338,006.40 : x - Step 2: Convert to fraction form
834,338,006.40/1,170,491,856 = 834,338,006.40/x - Step 3: Cross multiply
834,338,006.40x = 1,170,491,856 × 834,338,006.40 - Step 4: Simplify right side
834,338,006.40x = 976,585,841,642,475,904 - Step 5: Solve for x
x = 976,585,841,642,475,904/834,338,006.40 - Step 6: Final answer
x = 1,170,491,856
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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.