Home / 394,356,125.28-591,587,993.80-164,271,401.94

Finding the Fourth Proportional to 394,356,125.28, 591,587,993.80 and 164,271,401.94

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Solution

The fourth proportional to 394,356,125.28, 591,587,993.80 and 164,271,401.94 is: 246,429,516.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,356,125.28 : 591,587,993.80 = 164,271,401.94 : x
  2. Step 2: Convert to fraction form
    394,356,125.28/591,587,993.80 = 164,271,401.94/x
  3. Step 3: Cross multiply
    394,356,125.28x = 591,587,993.80 × 164,271,401.94
  4. Step 4: Simplify right side
    394,356,125.28x = 97,180,989,112,398,016
  5. Step 5: Solve for x
    x = 97,180,989,112,398,016/394,356,125.28
  6. Step 6: Final answer
    x = 246,429,516.07

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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.