Home / 929,667,763.13-1,394,685,508.52-265,687,739.69

Finding the Fourth Proportional to 929,667,763.13, 1,394,685,508.52 and 265,687,739.69

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Solution

The fourth proportional to 929,667,763.13, 1,394,685,508.52 and 265,687,739.69 is: 398,584,155.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,667,763.13 : 1,394,685,508.52 = 265,687,739.69 : x
  2. Step 2: Convert to fraction form
    929,667,763.13/1,394,685,508.52 = 265,687,739.69/x
  3. Step 3: Cross multiply
    929,667,763.13x = 1,394,685,508.52 × 265,687,739.69
  4. Step 4: Simplify right side
    929,667,763.13x = 370,550,840,337,077,056
  5. Step 5: Solve for x
    x = 370,550,840,337,077,056/929,667,763.13
  6. Step 6: Final answer
    x = 398,584,155.58

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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.