Home / 252,032,257.60-378,048,386.40-214,408,859.20

Finding the Fourth Proportional to 252,032,257.60, 378,048,386.40 and 214,408,859.20

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Solution

The fourth proportional to 252,032,257.60, 378,048,386.40 and 214,408,859.20 is: 321,613,288.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,032,257.60 : 378,048,386.40 = 214,408,859.20 : x
  2. Step 2: Convert to fraction form
    252,032,257.60/378,048,386.40 = 214,408,859.20/x
  3. Step 3: Cross multiply
    252,032,257.60x = 378,048,386.40 × 214,408,859.20
  4. Step 4: Simplify right side
    252,032,257.60x = 81,056,923,250,424,784
  5. Step 5: Solve for x
    x = 81,056,923,250,424,784/252,032,257.60
  6. Step 6: Final answer
    x = 321,613,288.80

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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.