Home / 383,704,785.40-575,431,206.90-141,336,196.60

Finding the Fourth Proportional to 383,704,785.40, 575,431,206.90 and 141,336,196.60

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Solution

The fourth proportional to 383,704,785.40, 575,431,206.90 and 141,336,196.60 is: 211,957,893.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,704,785.40 : 575,431,206.90 = 141,336,196.60 : x
  2. Step 2: Convert to fraction form
    383,704,785.40/575,431,206.90 = 141,336,196.60/x
  3. Step 3: Cross multiply
    383,704,785.40x = 575,431,206.90 × 141,336,196.60
  4. Step 4: Simplify right side
    383,704,785.40x = 81,329,258,188,193,664
  5. Step 5: Solve for x
    x = 81,329,258,188,193,664/383,704,785.40
  6. Step 6: Final answer
    x = 211,957,893.89

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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.