Home / 18,445,337,238.42-25,454,577,399.56-9,987,166,745.28

Finding the Fourth Proportional to 18,445,337,238.42, 25,454,577,399.56 and 9,987,166,745.28

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Solution

The fourth proportional to 18,445,337,238.42, 25,454,577,399.56 and 9,987,166,745.28 is: 13,782,296,611.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,445,337,238.42 : 25,454,577,399.56 = 9,987,166,745.28 : x
  2. Step 2: Convert to fraction form
    18,445,337,238.42/25,454,577,399.56 = 9,987,166,745.28/x
  3. Step 3: Cross multiply
    18,445,337,238.42x = 25,454,577,399.56 × 9,987,166,745.28
  4. Step 4: Simplify right side
    18,445,337,238.42x = 254,219,108,919,991,566,336
  5. Step 5: Solve for x
    x = 254,219,108,919,991,566,336/18,445,337,238.42
  6. Step 6: Final answer
    x = 13,782,296,611.55

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Double scale
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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.