Home / 325,655,999.40-488,483,999.10-187,906,492.20

Finding the Fourth Proportional to 325,655,999.40, 488,483,999.10 and 187,906,492.20

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Solution

The fourth proportional to 325,655,999.40, 488,483,999.10 and 187,906,492.20 is: 281,859,738.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,655,999.40 : 488,483,999.10 = 187,906,492.20 : x
  2. Step 2: Convert to fraction form
    325,655,999.40/488,483,999.10 = 187,906,492.20/x
  3. Step 3: Cross multiply
    325,655,999.40x = 488,483,999.10 × 187,906,492.20
  4. Step 4: Simplify right side
    325,655,999.40x = 91,789,314,766,708,960
  5. Step 5: Solve for x
    x = 91,789,314,766,708,960/325,655,999.40
  6. Step 6: Final answer
    x = 281,859,738.30

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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.