Home / 501,204,600-752,544,909.36-280,308,725.28

Finding the Fourth Proportional to 501,204,600, 752,544,909.36 and 280,308,725.28

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Solution

The fourth proportional to 501,204,600, 752,544,909.36 and 280,308,725.28 is: 420,875,834.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,204,600 : 752,544,909.36 = 280,308,725.28 : x
  2. Step 2: Convert to fraction form
    501,204,600/752,544,909.36 = 280,308,725.28/x
  3. Step 3: Cross multiply
    501,204,600x = 752,544,909.36 × 280,308,725.28
  4. Step 4: Simplify right side
    501,204,600x = 210,944,904,258,654,720
  5. Step 5: Solve for x
    x = 210,944,904,258,654,720/501,204,600
  6. Step 6: Final answer
    x = 420,875,834.46

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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.