Home / 1,429,172,110.74-2,143,250,840.60-419,322,871.06

Finding the Fourth Proportional to 1,429,172,110.74, 2,143,250,840.60 and 419,322,871.06

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Solution

The fourth proportional to 1,429,172,110.74, 2,143,250,840.60 and 419,322,871.06 is: 628,835,455.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,172,110.74 : 2,143,250,840.60 = 419,322,871.06 : x
  2. Step 2: Convert to fraction form
    1,429,172,110.74/2,143,250,840.60 = 419,322,871.06/x
  3. Step 3: Cross multiply
    1,429,172,110.74x = 2,143,250,840.60 × 419,322,871.06
  4. Step 4: Simplify right side
    1,429,172,110.74x = 898,714,095,882,150,400
  5. Step 5: Solve for x
    x = 898,714,095,882,150,400/1,429,172,110.74
  6. Step 6: Final answer
    x = 628,835,455.95

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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.