Home / 258,717,573,332.95-387,729,469,164.67-201,353,675,509.73

Finding the Fourth Proportional to 258,717,573,332.95, 387,729,469,164.67 and 201,353,675,509.73

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Solution

The fourth proportional to 258,717,573,332.95, 387,729,469,164.67 and 201,353,675,509.73 is: 301,760,536,456.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,717,573,332.95 : 387,729,469,164.67 = 201,353,675,509.73 : x
  2. Step 2: Convert to fraction form
    258,717,573,332.95/387,729,469,164.67 = 201,353,675,509.73/x
  3. Step 3: Cross multiply
    258,717,573,332.95x = 387,729,469,164.67 × 201,353,675,509.73
  4. Step 4: Simplify right side
    258,717,573,332.95x = 78,070,753,719,742,835,458,048
  5. Step 5: Solve for x
    x = 78,070,753,719,742,835,458,048/258,717,573,332.95
  6. Step 6: Final answer
    x = 301,760,536,456.76

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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.