Home / 379,871,016-524,238,385.92-210,325,252.83

Finding the Fourth Proportional to 379,871,016, 524,238,385.92 and 210,325,252.83

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Solution

The fourth proportional to 379,871,016, 524,238,385.92 and 210,325,252.83 is: 290,257,920.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,871,016 : 524,238,385.92 = 210,325,252.83 : x
  2. Step 2: Convert to fraction form
    379,871,016/524,238,385.92 = 210,325,252.83/x
  3. Step 3: Cross multiply
    379,871,016x = 524,238,385.92 × 210,325,252.83
  4. Step 4: Simplify right side
    379,871,016x = 110,260,571,061,815,120
  5. Step 5: Solve for x
    x = 110,260,571,061,815,120/379,871,016
  6. Step 6: Final answer
    x = 290,257,920.24

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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.