Finding the Fourth Proportional to 670,682,879.73, 1,006,454,787.18 and 325,448,177.31
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Solution
The fourth proportional to 670,682,879.73, 1,006,454,787.18 and 325,448,177.31 is: 488,381,149.92
Step by Step Solution
- Step 1: Write the proportion equation
670,682,879.73 : 1,006,454,787.18 = 325,448,177.31 : x - Step 2: Convert to fraction form
670,682,879.73/1,006,454,787.18 = 325,448,177.31/x - Step 3: Cross multiply
670,682,879.73x = 1,006,454,787.18 × 325,448,177.31 - Step 4: Simplify right side
670,682,879.73x = 327,548,876,032,654,912 - Step 5: Solve for x
x = 327,548,876,032,654,912/670,682,879.73 - Step 6: Final answer
x = 488,381,149.92
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.