Home / 686,682,164.40-1,030,023,246.60-469,003,930.80

Finding the Fourth Proportional to 686,682,164.40, 1,030,023,246.60 and 469,003,930.80

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Solution

The fourth proportional to 686,682,164.40, 1,030,023,246.60 and 469,003,930.80 is: 703,505,896.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,682,164.40 : 1,030,023,246.60 = 469,003,930.80 : x
  2. Step 2: Convert to fraction form
    686,682,164.40/1,030,023,246.60 = 469,003,930.80/x
  3. Step 3: Cross multiply
    686,682,164.40x = 1,030,023,246.60 × 469,003,930.80
  4. Step 4: Simplify right side
    686,682,164.40x = 483,084,951,470,777,728
  5. Step 5: Solve for x
    x = 483,084,951,470,777,728/686,682,164.40
  6. Step 6: Final answer
    x = 703,505,896.20

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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.