Home / 682,339,657.77-1,023,512,485.14-216,003,372.62

Finding the Fourth Proportional to 682,339,657.77, 1,023,512,485.14 and 216,003,372.62

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Solution

The fourth proportional to 682,339,657.77, 1,023,512,485.14 and 216,003,372.62 is: 324,006,008.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,339,657.77 : 1,023,512,485.14 = 216,003,372.62 : x
  2. Step 2: Convert to fraction form
    682,339,657.77/1,023,512,485.14 = 216,003,372.62/x
  3. Step 3: Cross multiply
    682,339,657.77x = 1,023,512,485.14 × 216,003,372.62
  4. Step 4: Simplify right side
    682,339,657.77x = 221,082,148,703,800,064
  5. Step 5: Solve for x
    x = 221,082,148,703,800,064/682,339,657.77
  6. Step 6: Final answer
    x = 324,006,008.13

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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.