Home / 501,204,430.54-752,544,653.82-280,308,555.64

Finding the Fourth Proportional to 501,204,430.54, 752,544,653.82 and 280,308,555.64

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Solution

The fourth proportional to 501,204,430.54, 752,544,653.82 and 280,308,555.64 is: 420,875,579.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,204,430.54 : 752,544,653.82 = 280,308,555.64 : x
  2. Step 2: Convert to fraction form
    501,204,430.54/752,544,653.82 = 280,308,555.64/x
  3. Step 3: Cross multiply
    501,204,430.54x = 752,544,653.82 × 280,308,555.64
  4. Step 4: Simplify right side
    501,204,430.54x = 210,944,704,966,888,000
  5. Step 5: Solve for x
    x = 210,944,704,966,888,000/501,204,430.54
  6. Step 6: Final answer
    x = 420,875,579.13

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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.