Home / 283,158,435,534.81-390,758,797,793.79-152,947,289,453.73

Finding the Fourth Proportional to 283,158,435,534.81, 390,758,797,793.79 and 152,947,289,453.73

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Solution

The fourth proportional to 283,158,435,534.81, 390,758,797,793.79 and 152,947,289,453.73 is: 211,067,344,117.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,158,435,534.81 : 390,758,797,793.79 = 152,947,289,453.73 : x
  2. Step 2: Convert to fraction form
    283,158,435,534.81/390,758,797,793.79 = 152,947,289,453.73/x
  3. Step 3: Cross multiply
    283,158,435,534.81x = 390,758,797,793.79 × 152,947,289,453.73
  4. Step 4: Simplify right side
    283,158,435,534.81x = 59,765,498,952,758,352,412,672
  5. Step 5: Solve for x
    x = 59,765,498,952,758,352,412,672/283,158,435,534.81
  6. Step 6: Final answer
    x = 211,067,344,117.36

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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.