Home / 20,298,786,576-30,478,069,243.08-11,352,503,649.84

Finding the Fourth Proportional to 20,298,786,576, 30,478,069,243.08 and 11,352,503,649.84

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Solution

The fourth proportional to 20,298,786,576, 30,478,069,243.08 and 11,352,503,649.84 is: 17,045,471,709.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,298,786,576 : 30,478,069,243.08 = 11,352,503,649.84 : x
  2. Step 2: Convert to fraction form
    20,298,786,576/30,478,069,243.08 = 11,352,503,649.84/x
  3. Step 3: Cross multiply
    20,298,786,576x = 30,478,069,243.08 × 11,352,503,649.84
  4. Step 4: Simplify right side
    20,298,786,576x = 346,002,392,322,141,978,624
  5. Step 5: Solve for x
    x = 346,002,392,322,141,978,624/20,298,786,576
  6. Step 6: Final answer
    x = 17,045,471,709.69

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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.