Home / 354,519,425.73-489,318,436.89-207,888,948.93

Finding the Fourth Proportional to 354,519,425.73, 489,318,436.89 and 207,888,948.93

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Solution

The fourth proportional to 354,519,425.73, 489,318,436.89 and 207,888,948.93 is: 286,934,616.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,519,425.73 : 489,318,436.89 = 207,888,948.93 : x
  2. Step 2: Convert to fraction form
    354,519,425.73/489,318,436.89 = 207,888,948.93/x
  3. Step 3: Cross multiply
    354,519,425.73x = 489,318,436.89 × 207,888,948.93
  4. Step 4: Simplify right side
    354,519,425.73x = 101,723,895,537,132,640
  5. Step 5: Solve for x
    x = 101,723,895,537,132,640/354,519,425.73
  6. Step 6: Final answer
    x = 286,934,616.71

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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.