Home / 1,745,780,940.18-2,619,016,379.46-640,396,060.56

Finding the Fourth Proportional to 1,745,780,940.18, 2,619,016,379.46 and 640,396,060.56

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Solution

The fourth proportional to 1,745,780,940.18, 2,619,016,379.46 and 640,396,060.56 is: 960,720,634.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,745,780,940.18 : 2,619,016,379.46 = 640,396,060.56 : x
  2. Step 2: Convert to fraction form
    1,745,780,940.18/2,619,016,379.46 = 640,396,060.56/x
  3. Step 3: Cross multiply
    1,745,780,940.18x = 2,619,016,379.46 × 640,396,060.56
  4. Step 4: Simplify right side
    1,745,780,940.18x = 1,677,207,771,948,297,984
  5. Step 5: Solve for x
    x = 1,677,207,771,948,297,984/1,745,780,940.18
  6. Step 6: Final answer
    x = 960,720,634.16

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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.