Home / 409,449,632.40-614,174,448.60-271,700,125.20

Finding the Fourth Proportional to 409,449,632.40, 614,174,448.60 and 271,700,125.20

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Solution

The fourth proportional to 409,449,632.40, 614,174,448.60 and 271,700,125.20 is: 407,550,187.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,449,632.40 : 614,174,448.60 = 271,700,125.20 : x
  2. Step 2: Convert to fraction form
    409,449,632.40/614,174,448.60 = 271,700,125.20/x
  3. Step 3: Cross multiply
    409,449,632.40x = 614,174,448.60 × 271,700,125.20
  4. Step 4: Simplify right side
    409,449,632.40x = 166,871,274,579,260,960
  5. Step 5: Solve for x
    x = 166,871,274,579,260,960/409,449,632.40
  6. Step 6: Final answer
    x = 407,550,187.80

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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.