Home / 211,709,375,998.20-317,564,063,997.30-211,709,375,998.20

Finding the Fourth Proportional to 211,709,375,998.20, 317,564,063,997.30 and 211,709,375,998.20

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Solution

The fourth proportional to 211,709,375,998.20, 317,564,063,997.30 and 211,709,375,998.20 is: 317,564,063,997.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,709,375,998.20 : 317,564,063,997.30 = 211,709,375,998.20 : x
  2. Step 2: Convert to fraction form
    211,709,375,998.20/317,564,063,997.30 = 211,709,375,998.20/x
  3. Step 3: Cross multiply
    211,709,375,998.20x = 317,564,063,997.30 × 211,709,375,998.20
  4. Step 4: Simplify right side
    211,709,375,998.20x = 67,231,289,828,320,837,894,144
  5. Step 5: Solve for x
    x = 67,231,289,828,320,837,894,144/211,709,375,998.20
  6. Step 6: Final answer
    x = 317,564,063,997.30

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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.