Home / 391,411,252.33-540,115,581.73-230,449,829.27

Finding the Fourth Proportional to 391,411,252.33, 540,115,581.73 and 230,449,829.27

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Solution

The fourth proportional to 391,411,252.33, 540,115,581.73 and 230,449,829.27 is: 318,001,955.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,411,252.33 : 540,115,581.73 = 230,449,829.27 : x
  2. Step 2: Convert to fraction form
    391,411,252.33/540,115,581.73 = 230,449,829.27/x
  3. Step 3: Cross multiply
    391,411,252.33x = 540,115,581.73 × 230,449,829.27
  4. Step 4: Simplify right side
    391,411,252.33x = 124,469,543,595,285,040
  5. Step 5: Solve for x
    x = 124,469,543,595,285,040/391,411,252.33
  6. Step 6: Final answer
    x = 318,001,955.37

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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.