Home / 680,930,809.38-1,021,539,679.83-220,833,103.14

Finding the Fourth Proportional to 680,930,809.38, 1,021,539,679.83 and 220,833,103.14

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Solution

The fourth proportional to 680,930,809.38, 1,021,539,679.83 and 220,833,103.14 is: 331,296,182.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,930,809.38 : 1,021,539,679.83 = 220,833,103.14 : x
  2. Step 2: Convert to fraction form
    680,930,809.38/1,021,539,679.83 = 220,833,103.14/x
  3. Step 3: Cross multiply
    680,930,809.38x = 1,021,539,679.83 × 220,833,103.14
  4. Step 4: Simplify right side
    680,930,809.38x = 225,589,777,477,500,960
  5. Step 5: Solve for x
    x = 225,589,777,477,500,960/680,930,809.38
  6. Step 6: Final answer
    x = 331,296,182.18

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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.