Home / 354,519,428.73-489,318,441.03-207,888,951.93

Finding the Fourth Proportional to 354,519,428.73, 489,318,441.03 and 207,888,951.93

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Solution

The fourth proportional to 354,519,428.73, 489,318,441.03 and 207,888,951.93 is: 286,934,620.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,519,428.73 : 489,318,441.03 = 207,888,951.93 : x
  2. Step 2: Convert to fraction form
    354,519,428.73/489,318,441.03 = 207,888,951.93/x
  3. Step 3: Cross multiply
    354,519,428.73x = 489,318,441.03 × 207,888,951.93
  4. Step 4: Simplify right side
    354,519,428.73x = 101,723,897,865,748,208
  5. Step 5: Solve for x
    x = 101,723,897,865,748,208/354,519,428.73
  6. Step 6: Final answer
    x = 286,934,620.85

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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.