Finding the Fourth Proportional to 896,011,634.36, 1,236,103,791.58 and 854,469,866.82
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Solution
The fourth proportional to 896,011,634.36, 1,236,103,791.58 and 854,469,866.82 is: 1,178,794,338.89
Step by Step Solution
- Step 1: Write the proportion equation
896,011,634.36 : 1,236,103,791.58 = 854,469,866.82 : x - Step 2: Convert to fraction form
896,011,634.36/1,236,103,791.58 = 854,469,866.82/x - Step 3: Cross multiply
896,011,634.36x = 1,236,103,791.58 × 854,469,866.82 - Step 4: Simplify right side
896,011,634.36x = 1,056,213,442,167,059,584 - Step 5: Solve for x
x = 1,056,213,442,167,059,584/896,011,634.36 - Step 6: Final answer
x = 1,178,794,338.89
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.