Home / 383,521,813.54-529,259,874.50-207,309,811.72

Finding the Fourth Proportional to 383,521,813.54, 529,259,874.50 and 207,309,811.72

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Solution

The fourth proportional to 383,521,813.54, 529,259,874.50 and 207,309,811.72 is: 286,087,416.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,521,813.54 : 529,259,874.50 = 207,309,811.72 : x
  2. Step 2: Convert to fraction form
    383,521,813.54/529,259,874.50 = 207,309,811.72/x
  3. Step 3: Cross multiply
    383,521,813.54x = 529,259,874.50 × 207,309,811.72
  4. Step 4: Simplify right side
    383,521,813.54x = 109,720,764,933,545,824
  5. Step 5: Solve for x
    x = 109,720,764,933,545,824/383,521,813.54
  6. Step 6: Final answer
    x = 286,087,416.83

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.