Home / 311,325,059-429,633,688.41-185,888,215.09

Finding the Fourth Proportional to 311,325,059, 429,633,688.41 and 185,888,215.09

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Solution

The fourth proportional to 311,325,059, 429,633,688.41 and 185,888,215.09 is: 256,528,786.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,325,059 : 429,633,688.41 = 185,888,215.09 : x
  2. Step 2: Convert to fraction form
    311,325,059/429,633,688.41 = 185,888,215.09/x
  3. Step 3: Cross multiply
    311,325,059x = 429,633,688.41 × 185,888,215.09
  4. Step 4: Simplify right side
    311,325,059x = 79,863,839,481,068,128
  5. Step 5: Solve for x
    x = 79,863,839,481,068,128/311,325,059
  6. Step 6: Final answer
    x = 256,528,786.14

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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.