Home / 682,339,708.92-1,023,512,561.85-216,003,423.68

Finding the Fourth Proportional to 682,339,708.92, 1,023,512,561.85 and 216,003,423.68

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Solution

The fourth proportional to 682,339,708.92, 1,023,512,561.85 and 216,003,423.68 is: 324,006,084.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,339,708.92 : 1,023,512,561.85 = 216,003,423.68 : x
  2. Step 2: Convert to fraction form
    682,339,708.92/1,023,512,561.85 = 216,003,423.68/x
  3. Step 3: Cross multiply
    682,339,708.92x = 1,023,512,561.85 × 216,003,423.68
  4. Step 4: Simplify right side
    682,339,708.92x = 221,082,217,544,369,952
  5. Step 5: Solve for x
    x = 221,082,217,544,369,952/682,339,708.92
  6. Step 6: Final answer
    x = 324,006,084.73

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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.