Finding the Fourth Proportional to 940,067,070.60, 1,409,204,810.70 and 732,690,481.80
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Solution
The fourth proportional to 940,067,070.60, 1,409,204,810.70 and 732,690,481.80 is: 1,098,337,537.82
Step by Step Solution
- Step 1: Write the proportion equation
940,067,070.60 : 1,409,204,810.70 = 732,690,481.80 : x - Step 2: Convert to fraction form
940,067,070.60/1,409,204,810.70 = 732,690,481.80/x - Step 3: Cross multiply
940,067,070.60x = 1,409,204,810.70 × 732,690,481.80 - Step 4: Simplify right side
940,067,070.60x = 1,032,510,951,706,660,736 - Step 5: Solve for x
x = 1,032,510,951,706,660,736/940,067,070.60 - Step 6: Final answer
x = 1,098,337,537.82
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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.