Home / 375,474,769.44-518,179,127.76-210,462,381.60

Finding the Fourth Proportional to 375,474,769.44, 518,179,127.76 and 210,462,381.60

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Solution

The fourth proportional to 375,474,769.44, 518,179,127.76 and 210,462,381.60 is: 290,451,508.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,474,769.44 : 518,179,127.76 = 210,462,381.60 : x
  2. Step 2: Convert to fraction form
    375,474,769.44/518,179,127.76 = 210,462,381.60/x
  3. Step 3: Cross multiply
    375,474,769.44x = 518,179,127.76 × 210,462,381.60
  4. Step 4: Simplify right side
    375,474,769.44x = 109,057,213,323,780,272
  5. Step 5: Solve for x
    x = 109,057,213,323,780,272/375,474,769.44
  6. Step 6: Final answer
    x = 290,451,508.86

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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.