Home / 319,171,723.17-478,895,842.44-171,446,911.41

Finding the Fourth Proportional to 319,171,723.17, 478,895,842.44 and 171,446,911.41

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Solution

The fourth proportional to 319,171,723.17, 478,895,842.44 and 171,446,911.41 is: 257,244,633.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,171,723.17 : 478,895,842.44 = 171,446,911.41 : x
  2. Step 2: Convert to fraction form
    319,171,723.17/478,895,842.44 = 171,446,911.41/x
  3. Step 3: Cross multiply
    319,171,723.17x = 478,895,842.44 × 171,446,911.41
  4. Step 4: Simplify right side
    319,171,723.17x = 82,105,213,073,428,000
  5. Step 5: Solve for x
    x = 82,105,213,073,428,000/319,171,723.17
  6. Step 6: Final answer
    x = 257,244,633.89

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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.