Home / 805,465,919.60-1,208,380,660.76-245,277,861.14

Finding the Fourth Proportional to 805,465,919.60, 1,208,380,660.76 and 245,277,861.14

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Solution

The fourth proportional to 805,465,919.60, 1,208,380,660.76 and 245,277,861.14 is: 367,972,147.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,465,919.60 : 1,208,380,660.76 = 245,277,861.14 : x
  2. Step 2: Convert to fraction form
    805,465,919.60/1,208,380,660.76 = 245,277,861.14/x
  3. Step 3: Cross multiply
    805,465,919.60x = 1,208,380,660.76 × 245,277,861.14
  4. Step 4: Simplify right side
    805,465,919.60x = 296,389,023,917,786,880
  5. Step 5: Solve for x
    x = 296,389,023,917,786,880/805,465,919.60
  6. Step 6: Final answer
    x = 367,972,147.18

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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.