Home / 279,449,701.70-385,629,360.64-152,287,679.73

Finding the Fourth Proportional to 279,449,701.70, 385,629,360.64 and 152,287,679.73

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Solution

The fourth proportional to 279,449,701.70, 385,629,360.64 and 152,287,679.73 is: 210,150,879.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,449,701.70 : 385,629,360.64 = 152,287,679.73 : x
  2. Step 2: Convert to fraction form
    279,449,701.70/385,629,360.64 = 152,287,679.73/x
  3. Step 3: Cross multiply
    279,449,701.70x = 385,629,360.64 × 152,287,679.73
  4. Step 4: Simplify right side
    279,449,701.70x = 58,726,600,567,628,984
  5. Step 5: Solve for x
    x = 58,726,600,567,628,984/279,449,701.70
  6. Step 6: Final answer
    x = 210,150,879.43

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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.