Home / 428,634,431,507.91-642,951,647,040.42-160,044,387,189.64

Finding the Fourth Proportional to 428,634,431,507.91, 642,951,647,040.42 and 160,044,387,189.64

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Solution

The fourth proportional to 428,634,431,507.91, 642,951,647,040.42 and 160,044,387,189.64 is: 240,066,580,701.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,634,431,507.91 : 642,951,647,040.42 = 160,044,387,189.64 : x
  2. Step 2: Convert to fraction form
    428,634,431,507.91/642,951,647,040.42 = 160,044,387,189.64/x
  3. Step 3: Cross multiply
    428,634,431,507.91x = 642,951,647,040.42 × 160,044,387,189.64
  4. Step 4: Simplify right side
    428,634,431,507.91x = 102,900,802,343,153,757,585,408
  5. Step 5: Solve for x
    x = 102,900,802,343,153,757,585,408/428,634,431,507.91
  6. Step 6: Final answer
    x = 240,066,580,701.78

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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.