Home / 764,930,086.62-1,145,020,004.16-414,305,308.86

Finding the Fourth Proportional to 764,930,086.62, 1,145,020,004.16 and 414,305,308.86

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Solution

The fourth proportional to 764,930,086.62, 1,145,020,004.16 and 414,305,308.86 is: 620,171,535.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,930,086.62 : 1,145,020,004.16 = 414,305,308.86 : x
  2. Step 2: Convert to fraction form
    764,930,086.62/1,145,020,004.16 = 414,305,308.86/x
  3. Step 3: Cross multiply
    764,930,086.62x = 1,145,020,004.16 × 414,305,308.86
  4. Step 4: Simplify right side
    764,930,086.62x = 474,387,866,474,387,328
  5. Step 5: Solve for x
    x = 474,387,866,474,387,328/764,930,086.62
  6. Step 6: Final answer
    x = 620,171,535.64

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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.