Home / 13,439,493,274.36-18,543,731,940.28-7,722,673,087.36

Finding the Fourth Proportional to 13,439,493,274.36, 18,543,731,940.28 and 7,722,673,087.36

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Solution

The fourth proportional to 13,439,493,274.36, 18,543,731,940.28 and 7,722,673,087.36 is: 10,655,697,850.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,439,493,274.36 : 18,543,731,940.28 = 7,722,673,087.36 : x
  2. Step 2: Convert to fraction form
    13,439,493,274.36/18,543,731,940.28 = 7,722,673,087.36/x
  3. Step 3: Cross multiply
    13,439,493,274.36x = 18,543,731,940.28 × 7,722,673,087.36
  4. Step 4: Simplify right side
    13,439,493,274.36x = 143,207,179,594,418,372,608
  5. Step 5: Solve for x
    x = 143,207,179,594,418,372,608/13,439,493,274.36
  6. Step 6: Final answer
    x = 10,655,697,850.43

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1.5x scale

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.