Home / 394,488,111.60-591,732,167.40-164,622,164.40

Finding the Fourth Proportional to 394,488,111.60, 591,732,167.40 and 164,622,164.40

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Solution

The fourth proportional to 394,488,111.60, 591,732,167.40 and 164,622,164.40 is: 246,933,246.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,488,111.60 : 591,732,167.40 = 164,622,164.40 : x
  2. Step 2: Convert to fraction form
    394,488,111.60/591,732,167.40 = 164,622,164.40/x
  3. Step 3: Cross multiply
    394,488,111.60x = 591,732,167.40 × 164,622,164.40
  4. Step 4: Simplify right side
    394,488,111.60x = 97,412,230,142,491,120
  5. Step 5: Solve for x
    x = 97,412,230,142,491,120/394,488,111.60
  6. Step 6: Final answer
    x = 246,933,246.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.