Home / 931,622,754.30-1,396,247,246.55-495,132,546.30

Finding the Fourth Proportional to 931,622,754.30, 1,396,247,246.55 and 495,132,546.30

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Solution

The fourth proportional to 931,622,754.30, 1,396,247,246.55 and 495,132,546.30 is: 742,068,021.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,622,754.30 : 1,396,247,246.55 = 495,132,546.30 : x
  2. Step 2: Convert to fraction form
    931,622,754.30/1,396,247,246.55 = 495,132,546.30/x
  3. Step 3: Cross multiply
    931,622,754.30x = 1,396,247,246.55 × 495,132,546.30
  4. Step 4: Simplify right side
    931,622,754.30x = 691,327,454,448,665,344
  5. Step 5: Solve for x
    x = 691,327,454,448,665,344/931,622,754.30
  6. Step 6: Final answer
    x = 742,068,021.91

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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.