Home / 18,882,022,430.37-28,309,070,695.97-11,418,946,043.45

Finding the Fourth Proportional to 18,882,022,430.37, 28,309,070,695.97 and 11,418,946,043.45

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Solution

The fourth proportional to 18,882,022,430.37, 28,309,070,695.97 and 11,418,946,043.45 is: 17,119,974,939.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,882,022,430.37 : 28,309,070,695.97 = 11,418,946,043.45 : x
  2. Step 2: Convert to fraction form
    18,882,022,430.37/28,309,070,695.97 = 11,418,946,043.45/x
  3. Step 3: Cross multiply
    18,882,022,430.37x = 28,309,070,695.97 × 11,418,946,043.45
  4. Step 4: Simplify right side
    18,882,022,430.37x = 323,259,750,817,492,500,480
  5. Step 5: Solve for x
    x = 323,259,750,817,492,500,480/18,882,022,430.37
  6. Step 6: Final answer
    x = 17,119,974,939.63

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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.