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Finding the Fourth Proportional to 1,008,102,023.60, 1,512,153,035.40 and 804,028,679.60

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Solution

The fourth proportional to 1,008,102,023.60, 1,512,153,035.40 and 804,028,679.60 is: 1,206,043,019.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,102,023.60 : 1,512,153,035.40 = 804,028,679.60 : x
  2. Step 2: Convert to fraction form
    1,008,102,023.60/1,512,153,035.40 = 804,028,679.60/x
  3. Step 3: Cross multiply
    1,008,102,023.60x = 1,512,153,035.40 × 804,028,679.60
  4. Step 4: Simplify right side
    1,008,102,023.60x = 1,215,814,408,405,794,048
  5. Step 5: Solve for x
    x = 1,215,814,408,405,794,048/1,008,102,023.60
  6. Step 6: Final answer
    x = 1,206,043,019.40

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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.