Finding the Fourth Proportional to 917,757,195.33, 1,377,042,690.73 and 480,954,027.63
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Solution
The fourth proportional to 917,757,195.33, 1,377,042,690.73 and 480,954,027.63 is: 721,644,277.70
Step by Step Solution
- Step 1: Write the proportion equation
917,757,195.33 : 1,377,042,690.73 = 480,954,027.63 : x - Step 2: Convert to fraction form
917,757,195.33/1,377,042,690.73 = 480,954,027.63/x - Step 3: Cross multiply
917,757,195.33x = 1,377,042,690.73 × 480,954,027.63 - Step 4: Simplify right side
917,757,195.33x = 662,294,228,325,046,016 - Step 5: Solve for x
x = 662,294,228,325,046,016/917,757,195.33 - Step 6: Final answer
x = 721,644,277.70
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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.