Home / 394,488,995.73-544,395,451.83-218,284,417.77

Finding the Fourth Proportional to 394,488,995.73, 544,395,451.83 and 218,284,417.77

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Solution

The fourth proportional to 394,488,995.73, 544,395,451.83 and 218,284,417.77 is: 301,232,849.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,488,995.73 : 544,395,451.83 = 218,284,417.77 : x
  2. Step 2: Convert to fraction form
    394,488,995.73/544,395,451.83 = 218,284,417.77/x
  3. Step 3: Cross multiply
    394,488,995.73x = 544,395,451.83 × 218,284,417.77
  4. Step 4: Simplify right side
    394,488,995.73x = 118,833,044,236,625,648
  5. Step 5: Solve for x
    x = 118,833,044,236,625,648/394,488,995.73
  6. Step 6: Final answer
    x = 301,232,849.39

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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.