Home / 1,745,782,012.98-2,619,017,988.96-640,397,133.24

Finding the Fourth Proportional to 1,745,782,012.98, 2,619,017,988.96 and 640,397,133.24

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Solution

The fourth proportional to 1,745,782,012.98, 2,619,017,988.96 and 640,397,133.24 is: 960,722,243.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,745,782,012.98 : 2,619,017,988.96 = 640,397,133.24 : x
  2. Step 2: Convert to fraction form
    1,745,782,012.98/2,619,017,988.96 = 640,397,133.24/x
  3. Step 3: Cross multiply
    1,745,782,012.98x = 2,619,017,988.96 × 640,397,133.24
  4. Step 4: Simplify right side
    1,745,782,012.98x = 1,677,211,612,033,974,016
  5. Step 5: Solve for x
    x = 1,677,211,612,033,974,016/1,745,782,012.98
  6. Step 6: Final answer
    x = 960,722,243.42

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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.