Home / 379,871,016.50-524,238,386.61-210,325,253.33

Finding the Fourth Proportional to 379,871,016.50, 524,238,386.61 and 210,325,253.33

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Solution

The fourth proportional to 379,871,016.50, 524,238,386.61 and 210,325,253.33 is: 290,257,920.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,871,016.50 : 524,238,386.61 = 210,325,253.33 : x
  2. Step 2: Convert to fraction form
    379,871,016.50/524,238,386.61 = 210,325,253.33/x
  3. Step 3: Cross multiply
    379,871,016.50x = 524,238,386.61 × 210,325,253.33
  4. Step 4: Simplify right side
    379,871,016.50x = 110,260,571,469,058,736
  5. Step 5: Solve for x
    x = 110,260,571,469,058,736/379,871,016.50
  6. Step 6: Final answer
    x = 290,257,920.93

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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.