Home / 686,591,622-1,030,100,009.22-237,933,179.28

Finding the Fourth Proportional to 686,591,622, 1,030,100,009.22 and 237,933,179.28

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Solution

The fourth proportional to 686,591,622, 1,030,100,009.22 and 237,933,179.28 is: 356,973,435.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,591,622 : 1,030,100,009.22 = 237,933,179.28 : x
  2. Step 2: Convert to fraction form
    686,591,622/1,030,100,009.22 = 237,933,179.28/x
  3. Step 3: Cross multiply
    686,591,622x = 1,030,100,009.22 × 237,933,179.28
  4. Step 4: Simplify right side
    686,591,622x = 245,094,970,170,071,936
  5. Step 5: Solve for x
    x = 245,094,970,170,071,936/686,591,622
  6. Step 6: Final answer
    x = 356,973,435.62

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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.