Home / 14,991,861,995.10-20,676,706,215.06-13,179,498,769.26

Finding the Fourth Proportional to 14,991,861,995.10, 20,676,706,215.06 and 13,179,498,769.26

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Solution

The fourth proportional to 14,991,861,995.10, 20,676,706,215.06 and 13,179,498,769.26 is: 18,177,103,297.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,991,861,995.10 : 20,676,706,215.06 = 13,179,498,769.26 : x
  2. Step 2: Convert to fraction form
    14,991,861,995.10/20,676,706,215.06 = 13,179,498,769.26/x
  3. Step 3: Cross multiply
    14,991,861,995.10x = 20,676,706,215.06 × 13,179,498,769.26
  4. Step 4: Simplify right side
    14,991,861,995.10x = 272,508,624,113,733,894,144
  5. Step 5: Solve for x
    x = 272,508,624,113,733,894,144/14,991,861,995.10
  6. Step 6: Final answer
    x = 18,177,103,297.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.