Home / 1,745,780,926.07-2,619,016,358.30-640,396,046.36

Finding the Fourth Proportional to 1,745,780,926.07, 2,619,016,358.30 and 640,396,046.36

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Solution

The fourth proportional to 1,745,780,926.07, 2,619,016,358.30 and 640,396,046.36 is: 960,720,612.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,745,780,926.07 : 2,619,016,358.30 = 640,396,046.36 : x
  2. Step 2: Convert to fraction form
    1,745,780,926.07/2,619,016,358.30 = 640,396,046.36/x
  3. Step 3: Cross multiply
    1,745,780,926.07x = 2,619,016,358.30 × 640,396,046.36
  4. Step 4: Simplify right side
    1,745,780,926.07x = 1,677,207,721,191,188,224
  5. Step 5: Solve for x
    x = 1,677,207,721,191,188,224/1,745,780,926.07
  6. Step 6: Final answer
    x = 960,720,612.85

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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.