Home / 278,626,756,785.42-384,498,897,747-161,309,348,104.73

Finding the Fourth Proportional to 278,626,756,785.42, 384,498,897,747 and 161,309,348,104.73

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Solution

The fourth proportional to 278,626,756,785.42, 384,498,897,747 and 161,309,348,104.73 is: 222,603,411,309.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,626,756,785.42 : 384,498,897,747 = 161,309,348,104.73 : x
  2. Step 2: Convert to fraction form
    278,626,756,785.42/384,498,897,747 = 161,309,348,104.73/x
  3. Step 3: Cross multiply
    278,626,756,785.42x = 384,498,897,747 × 161,309,348,104.73
  4. Step 4: Simplify right side
    278,626,756,785.42x = 62,023,266,542,555,813,117,952
  5. Step 5: Solve for x
    x = 62,023,266,542,555,813,117,952/278,626,756,785.42
  6. Step 6: Final answer
    x = 222,603,411,309.57

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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.