Home / 408,603,164.64-612,887,600.88-190,178,376.72

Finding the Fourth Proportional to 408,603,164.64, 612,887,600.88 and 190,178,376.72

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Solution

The fourth proportional to 408,603,164.64, 612,887,600.88 and 190,178,376.72 is: 285,259,584.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,603,164.64 : 612,887,600.88 = 190,178,376.72 : x
  2. Step 2: Convert to fraction form
    408,603,164.64/612,887,600.88 = 190,178,376.72/x
  3. Step 3: Cross multiply
    408,603,164.64x = 612,887,600.88 × 190,178,376.72
  4. Step 4: Simplify right side
    408,603,164.64x = 116,557,969,047,173,648
  5. Step 5: Solve for x
    x = 116,557,969,047,173,648/408,603,164.64
  6. Step 6: Final answer
    x = 285,259,584.69

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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.