Home / 379,135,315.56-523,207,444.50-211,871,577.06

Finding the Fourth Proportional to 379,135,315.56, 523,207,444.50 and 211,871,577.06

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Solution

The fourth proportional to 379,135,315.56, 523,207,444.50 and 211,871,577.06 is: 292,383,172.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,135,315.56 : 523,207,444.50 = 211,871,577.06 : x
  2. Step 2: Convert to fraction form
    379,135,315.56/523,207,444.50 = 211,871,577.06/x
  3. Step 3: Cross multiply
    379,135,315.56x = 523,207,444.50 × 211,871,577.06
  4. Step 4: Simplify right side
    379,135,315.56x = 110,852,786,395,747,424
  5. Step 5: Solve for x
    x = 110,852,786,395,747,424/379,135,315.56
  6. Step 6: Final answer
    x = 292,383,172.57

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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.