Home / 419,665,575.44-579,139,052.01-231,489,624.56

Finding the Fourth Proportional to 419,665,575.44, 579,139,052.01 and 231,489,624.56

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Solution

The fourth proportional to 419,665,575.44, 579,139,052.01 and 231,489,624.56 is: 319,455,989.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,665,575.44 : 579,139,052.01 = 231,489,624.56 : x
  2. Step 2: Convert to fraction form
    419,665,575.44/579,139,052.01 = 231,489,624.56/x
  3. Step 3: Cross multiply
    419,665,575.44x = 579,139,052.01 × 231,489,624.56
  4. Step 4: Simplify right side
    419,665,575.44x = 134,064,681,714,065,440
  5. Step 5: Solve for x
    x = 134,064,681,714,065,440/419,665,575.44
  6. Step 6: Final answer
    x = 319,455,989.62

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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.