Home / 394,768,917.66-544,779,107.96-216,149,560.50

Finding the Fourth Proportional to 394,768,917.66, 544,779,107.96 and 216,149,560.50

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Solution

The fourth proportional to 394,768,917.66, 544,779,107.96 and 216,149,560.50 is: 298,285,299.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,768,917.66 : 544,779,107.96 = 216,149,560.50 : x
  2. Step 2: Convert to fraction form
    394,768,917.66/544,779,107.96 = 216,149,560.50/x
  3. Step 3: Cross multiply
    394,768,917.66x = 544,779,107.96 × 216,149,560.50
  4. Step 4: Simplify right side
    394,768,917.66x = 117,753,764,755,136,064
  5. Step 5: Solve for x
    x = 117,753,764,755,136,064/394,768,917.66
  6. Step 6: Final answer
    x = 298,285,299.29

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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.