Home / 631,855,469.34-947,912,470.59-217,278,449.30

Finding the Fourth Proportional to 631,855,469.34, 947,912,470.59 and 217,278,449.30

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Solution

The fourth proportional to 631,855,469.34, 947,912,470.59 and 217,278,449.30 is: 325,962,125.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,855,469.34 : 947,912,470.59 = 217,278,449.30 : x
  2. Step 2: Convert to fraction form
    631,855,469.34/947,912,470.59 = 217,278,449.30/x
  3. Step 3: Cross multiply
    631,855,469.34x = 947,912,470.59 × 217,278,449.30
  4. Step 4: Simplify right side
    631,855,469.34x = 205,960,951,677,187,488
  5. Step 5: Solve for x
    x = 205,960,951,677,187,488/631,855,469.34
  6. Step 6: Final answer
    x = 325,962,125.31

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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.