Home / 682,344,048.20-1,023,516,072.30-677,242,214.60

Finding the Fourth Proportional to 682,344,048.20, 1,023,516,072.30 and 677,242,214.60

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Solution

The fourth proportional to 682,344,048.20, 1,023,516,072.30 and 677,242,214.60 is: 1,015,863,321.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,344,048.20 : 1,023,516,072.30 = 677,242,214.60 : x
  2. Step 2: Convert to fraction form
    682,344,048.20/1,023,516,072.30 = 677,242,214.60/x
  3. Step 3: Cross multiply
    682,344,048.20x = 1,023,516,072.30 × 677,242,214.60
  4. Step 4: Simplify right side
    682,344,048.20x = 693,168,291,483,145,728
  5. Step 5: Solve for x
    x = 693,168,291,483,145,728/682,344,048.20
  6. Step 6: Final answer
    x = 1,015,863,321.90

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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.