Home / 851,874,777,330.98-1,277,890,718,860.60-278,193,896,958.49

Finding the Fourth Proportional to 851,874,777,330.98, 1,277,890,718,860.60 and 278,193,896,958.49

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Solution

The fourth proportional to 851,874,777,330.98, 1,277,890,718,860.60 and 278,193,896,958.49 is: 417,316,498,183.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,874,777,330.98 : 1,277,890,718,860.60 = 278,193,896,958.49 : x
  2. Step 2: Convert to fraction form
    851,874,777,330.98/1,277,890,718,860.60 = 278,193,896,958.49/x
  3. Step 3: Cross multiply
    851,874,777,330.98x = 1,277,890,718,860.60 × 278,193,896,958.49
  4. Step 4: Simplify right side
    851,874,777,330.98x = 355,501,398,966,916,471,586,816
  5. Step 5: Solve for x
    x = 355,501,398,966,916,471,586,816/851,874,777,330.98
  6. Step 6: Final answer
    x = 417,316,498,183.86

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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.