Home / 394,446,803.28-544,352,611.50-218,231,928.69

Finding the Fourth Proportional to 394,446,803.28, 544,352,611.50 and 218,231,928.69

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Solution

The fourth proportional to 394,446,803.28, 544,352,611.50 and 218,231,928.69 is: 301,168,926.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,446,803.28 : 544,352,611.50 = 218,231,928.69 : x
  2. Step 2: Convert to fraction form
    394,446,803.28/544,352,611.50 = 218,231,928.69/x
  3. Step 3: Cross multiply
    394,446,803.28x = 544,352,611.50 × 218,231,928.69
  4. Step 4: Simplify right side
    394,446,803.28x = 118,795,120,295,083,280
  5. Step 5: Solve for x
    x = 118,795,120,295,083,280/394,446,803.28
  6. Step 6: Final answer
    x = 301,168,926.47

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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.