Home / 453,022,009.12-679,422,590.83-125,489,015.92

Finding the Fourth Proportional to 453,022,009.12, 679,422,590.83 and 125,489,015.92

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Solution

The fourth proportional to 453,022,009.12, 679,422,590.83 and 125,489,015.92 is: 188,202,936.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,022,009.12 : 679,422,590.83 = 125,489,015.92 : x
  2. Step 2: Convert to fraction form
    453,022,009.12/679,422,590.83 = 125,489,015.92/x
  3. Step 3: Cross multiply
    453,022,009.12x = 679,422,590.83 × 125,489,015.92
  4. Step 4: Simplify right side
    453,022,009.12x = 85,260,072,317,073,520
  5. Step 5: Solve for x
    x = 85,260,072,317,073,520/453,022,009.12
  6. Step 6: Final answer
    x = 188,202,936.28

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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.