Home / 455,437,015.32-683,197,519.86-148,730,735.64

Finding the Fourth Proportional to 455,437,015.32, 683,197,519.86 and 148,730,735.64

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Solution

The fourth proportional to 455,437,015.32, 683,197,519.86 and 148,730,735.64 is: 223,109,818.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,437,015.32 : 683,197,519.86 = 148,730,735.64 : x
  2. Step 2: Convert to fraction form
    455,437,015.32/683,197,519.86 = 148,730,735.64/x
  3. Step 3: Cross multiply
    455,437,015.32x = 683,197,519.86 × 148,730,735.64
  4. Step 4: Simplify right side
    455,437,015.32x = 101,612,469,716,201,296
  5. Step 5: Solve for x
    x = 101,612,469,716,201,296/455,437,015.32
  6. Step 6: Final answer
    x = 223,109,818.26

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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.