Home / 419,688,023.10-629,532,034.65-332,012,067.90

Finding the Fourth Proportional to 419,688,023.10, 629,532,034.65 and 332,012,067.90

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Solution

The fourth proportional to 419,688,023.10, 629,532,034.65 and 332,012,067.90 is: 498,018,101.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,688,023.10 : 629,532,034.65 = 332,012,067.90 : x
  2. Step 2: Convert to fraction form
    419,688,023.10/629,532,034.65 = 332,012,067.90/x
  3. Step 3: Cross multiply
    419,688,023.10x = 629,532,034.65 × 332,012,067.90
  4. Step 4: Simplify right side
    419,688,023.10x = 209,012,232,633,440,928
  5. Step 5: Solve for x
    x = 209,012,232,633,440,928/419,688,023.10
  6. Step 6: Final answer
    x = 498,018,101.85

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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.