Home / 28,871,662,187,390-43,325,306,481,108-13,379,309,558,728

Finding the Fourth Proportional to 28,871,662,187,390, 43,325,306,481,108 and 13,379,309,558,728

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Solution

The fourth proportional to 28,871,662,187,390, 43,325,306,481,108 and 13,379,309,558,728 is: 20,077,219,086,841.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,871,662,187,390 : 43,325,306,481,108 = 13,379,309,558,728 : x
  2. Step 2: Convert to fraction form
    28,871,662,187,390/43,325,306,481,108 = 13,379,309,558,728/x
  3. Step 3: Cross multiply
    28,871,662,187,390x = 43,325,306,481,108 × 13,379,309,558,728
  4. Step 4: Simplify right side
    28,871,662,187,390x = 579,662,687,137,508,432,988,340,224
  5. Step 5: Solve for x
    x = 579,662,687,137,508,432,988,340,224/28,871,662,187,390
  6. Step 6: Final answer
    x = 20,077,219,086,841.57

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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.