Home / 801,459,351.30-1,203,084,822.15-620,508,720.90

Finding the Fourth Proportional to 801,459,351.30, 1,203,084,822.15 and 620,508,720.90

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Solution

The fourth proportional to 801,459,351.30, 1,203,084,822.15 and 620,508,720.90 is: 931,456,627.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,459,351.30 : 1,203,084,822.15 = 620,508,720.90 : x
  2. Step 2: Convert to fraction form
    801,459,351.30/1,203,084,822.15 = 620,508,720.90/x
  3. Step 3: Cross multiply
    801,459,351.30x = 1,203,084,822.15 × 620,508,720.90
  4. Step 4: Simplify right side
    801,459,351.30x = 746,524,624,126,500,480
  5. Step 5: Solve for x
    x = 746,524,624,126,500,480/801,459,351.30
  6. Step 6: Final answer
    x = 931,456,627.11

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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.