Home / 1,322,378,776.78-1,983,855,143.48-402,231,200.56

Finding the Fourth Proportional to 1,322,378,776.78, 1,983,855,143.48 and 402,231,200.56

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Solution

The fourth proportional to 1,322,378,776.78, 1,983,855,143.48 and 402,231,200.56 is: 603,434,091.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,378,776.78 : 1,983,855,143.48 = 402,231,200.56 : x
  2. Step 2: Convert to fraction form
    1,322,378,776.78/1,983,855,143.48 = 402,231,200.56/x
  3. Step 3: Cross multiply
    1,322,378,776.78x = 1,983,855,143.48 × 402,231,200.56
  4. Step 4: Simplify right side
    1,322,378,776.78x = 797,968,436,092,120,576
  5. Step 5: Solve for x
    x = 797,968,436,092,120,576/1,322,378,776.78
  6. Step 6: Final answer
    x = 603,434,091.73

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1.5x scale

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.