Home / 283,158,435,532.80-390,758,797,791.05-152,947,289,451.73

Finding the Fourth Proportional to 283,158,435,532.80, 390,758,797,791.05 and 152,947,289,451.73

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Solution

The fourth proportional to 283,158,435,532.80, 390,758,797,791.05 and 152,947,289,451.73 is: 211,067,344,114.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,158,435,532.80 : 390,758,797,791.05 = 152,947,289,451.73 : x
  2. Step 2: Convert to fraction form
    283,158,435,532.80/390,758,797,791.05 = 152,947,289,451.73/x
  3. Step 3: Cross multiply
    283,158,435,532.80x = 390,758,797,791.05 × 152,947,289,451.73
  4. Step 4: Simplify right side
    283,158,435,532.80x = 59,765,498,951,557,758,058,496
  5. Step 5: Solve for x
    x = 59,765,498,951,557,758,058,496/283,158,435,532.80
  6. Step 6: Final answer
    x = 211,067,344,114.62

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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.