Home / 11,342,815,146.85-15,660,149,147.97-7,220,527,012.45

Finding the Fourth Proportional to 11,342,815,146.85, 15,660,149,147.97 and 7,220,527,012.45

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Solution

The fourth proportional to 11,342,815,146.85, 15,660,149,147.97 and 7,220,527,012.45 is: 9,968,824,183.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,342,815,146.85 : 15,660,149,147.97 = 7,220,527,012.45 : x
  2. Step 2: Convert to fraction form
    11,342,815,146.85/15,660,149,147.97 = 7,220,527,012.45/x
  3. Step 3: Cross multiply
    11,342,815,146.85x = 15,660,149,147.97 × 7,220,527,012.45
  4. Step 4: Simplify right side
    11,342,815,146.85x = 113,074,529,941,874,081,792
  5. Step 5: Solve for x
    x = 113,074,529,941,874,081,792/11,342,815,146.85
  6. Step 6: Final answer
    x = 9,968,824,183.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.