Home / 1,200,511,989.18-1,801,383,584.58-579,257,045.86

Finding the Fourth Proportional to 1,200,511,989.18, 1,801,383,584.58 and 579,257,045.86

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Solution

The fourth proportional to 1,200,511,989.18, 1,801,383,584.58 and 579,257,045.86 is: 869,182,601.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,511,989.18 : 1,801,383,584.58 = 579,257,045.86 : x
  2. Step 2: Convert to fraction form
    1,200,511,989.18/1,801,383,584.58 = 579,257,045.86/x
  3. Step 3: Cross multiply
    1,200,511,989.18x = 1,801,383,584.58 × 579,257,045.86
  4. Step 4: Simplify right side
    1,200,511,989.18x = 1,043,464,133,664,508,288
  5. Step 5: Solve for x
    x = 1,043,464,133,664,508,288/1,200,511,989.18
  6. Step 6: Final answer
    x = 869,182,601.31

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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.