Home / 931,258,568.32-1,396,503,523.68-317,892,198.40

Finding the Fourth Proportional to 931,258,568.32, 1,396,503,523.68 and 317,892,198.40

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Solution

The fourth proportional to 931,258,568.32, 1,396,503,523.68 and 317,892,198.40 is: 476,707,104.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,258,568.32 : 1,396,503,523.68 = 317,892,198.40 : x
  2. Step 2: Convert to fraction form
    931,258,568.32/1,396,503,523.68 = 317,892,198.40/x
  3. Step 3: Cross multiply
    931,258,568.32x = 1,396,503,523.68 × 317,892,198.40
  4. Step 4: Simplify right side
    931,258,568.32x = 443,937,575,215,981,632
  5. Step 5: Solve for x
    x = 443,937,575,215,981,632/931,258,568.32
  6. Step 6: Final answer
    x = 476,707,104.04

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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.