Home / 2,220,786,535,176.20-3,331,408,050,015.10-768,646,820,137.10

Finding the Fourth Proportional to 2,220,786,535,176.20, 3,331,408,050,015.10 and 768,646,820,137.10

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Solution

The fourth proportional to 2,220,786,535,176.20, 3,331,408,050,015.10 and 768,646,820,137.10 is: 1,153,049,229,929.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220,786,535,176.20 : 3,331,408,050,015.10 = 768,646,820,137.10 : x
  2. Step 2: Convert to fraction form
    2,220,786,535,176.20/3,331,408,050,015.10 = 768,646,820,137.10/x
  3. Step 3: Cross multiply
    2,220,786,535,176.20x = 3,331,408,050,015.10 × 768,646,820,137.10
  4. Step 4: Simplify right side
    2,220,786,535,176.20x = 2,560,676,204,223,243,504,058,368
  5. Step 5: Solve for x
    x = 2,560,676,204,223,243,504,058,368/2,220,786,535,176.20
  6. Step 6: Final answer
    x = 1,153,049,229,929.74

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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.