Home / 394,388,288.34-544,271,863.16-218,173,245.59

Finding the Fourth Proportional to 394,388,288.34, 544,271,863.16 and 218,173,245.59

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Solution

The fourth proportional to 394,388,288.34, 544,271,863.16 and 218,173,245.59 is: 301,087,943.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,388,288.34 : 544,271,863.16 = 218,173,245.59 : x
  2. Step 2: Convert to fraction form
    394,388,288.34/544,271,863.16 = 218,173,245.59/x
  3. Step 3: Cross multiply
    394,388,288.34x = 544,271,863.16 × 218,173,245.59
  4. Step 4: Simplify right side
    394,388,288.34x = 118,745,558,865,121,328
  5. Step 5: Solve for x
    x = 118,745,558,865,121,328/394,388,288.34
  6. Step 6: Final answer
    x = 301,087,943.98

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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.