Finding the Fourth Proportional to 354,519,584.73, 489,318,656.27 and 207,889,107.93
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Solution
The fourth proportional to 354,519,584.73, 489,318,656.27 and 207,889,107.93 is: 286,934,836.12
Step by Step Solution
- Step 1: Write the proportion equation
354,519,584.73 : 489,318,656.27 = 207,889,107.93 : x - Step 2: Convert to fraction form
354,519,584.73/489,318,656.27 = 207,889,107.93/x - Step 3: Cross multiply
354,519,584.73x = 489,318,656.27 × 207,889,107.93 - Step 4: Simplify right side
354,519,584.73x = 101,724,018,944,437,152 - Step 5: Solve for x
x = 101,724,018,944,437,152/354,519,584.73 - Step 6: Final answer
x = 286,934,836.12
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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.