Home / 394,388,296.50-544,271,874.41-218,173,253.75

Finding the Fourth Proportional to 394,388,296.50, 544,271,874.41 and 218,173,253.75

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Solution

The fourth proportional to 394,388,296.50, 544,271,874.41 and 218,173,253.75 is: 301,087,955.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,388,296.50 : 544,271,874.41 = 218,173,253.75 : x
  2. Step 2: Convert to fraction form
    394,388,296.50/544,271,874.41 = 218,173,253.75/x
  3. Step 3: Cross multiply
    394,388,296.50x = 544,271,874.41 × 218,173,253.75
  4. Step 4: Simplify right side
    394,388,296.50x = 118,745,565,764,641,056
  5. Step 5: Solve for x
    x = 118,745,565,764,641,056/394,388,296.50
  6. Step 6: Final answer
    x = 301,087,955.24

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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.