Home / 20,298,786,606.50-30,478,069,288.92-11,352,503,680.34

Finding the Fourth Proportional to 20,298,786,606.50, 30,478,069,288.92 and 11,352,503,680.34

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Solution

The fourth proportional to 20,298,786,606.50, 30,478,069,288.92 and 11,352,503,680.34 is: 17,045,471,755.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,298,786,606.50 : 30,478,069,288.92 = 11,352,503,680.34 : x
  2. Step 2: Convert to fraction form
    20,298,786,606.50/30,478,069,288.92 = 11,352,503,680.34/x
  3. Step 3: Cross multiply
    20,298,786,606.50x = 30,478,069,288.92 × 11,352,503,680.34
  4. Step 4: Simplify right side
    20,298,786,606.50x = 346,002,393,772,121,784,320
  5. Step 5: Solve for x
    x = 346,002,393,772,121,784,320/20,298,786,606.50
  6. Step 6: Final answer
    x = 17,045,471,755.51

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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.