Home / 267,518,267,262.38-401,315,096,107.42-85,940,213,911.62

Finding the Fourth Proportional to 267,518,267,262.38, 401,315,096,107.42 and 85,940,213,911.62

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Solution

The fourth proportional to 267,518,267,262.38, 401,315,096,107.42 and 85,940,213,911.62 is: 128,922,430,450.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,518,267,262.38 : 401,315,096,107.42 = 85,940,213,911.62 : x
  2. Step 2: Convert to fraction form
    267,518,267,262.38/401,315,096,107.42 = 85,940,213,911.62/x
  3. Step 3: Cross multiply
    267,518,267,262.38x = 401,315,096,107.42 × 85,940,213,911.62
  4. Step 4: Simplify right side
    267,518,267,262.38x = 34,489,105,205,434,012,139,520
  5. Step 5: Solve for x
    x = 34,489,105,205,434,012,139,520/267,518,267,262.38
  6. Step 6: Final answer
    x = 128,922,430,450.73

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1.5x scale

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.