Home / 462,854,719.44-638,697,297.96-274,650,584.40

Finding the Fourth Proportional to 462,854,719.44, 638,697,297.96 and 274,650,584.40

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Solution

The fourth proportional to 462,854,719.44, 638,697,297.96 and 274,650,584.40 is: 378,992,756.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,854,719.44 : 638,697,297.96 = 274,650,584.40 : x
  2. Step 2: Convert to fraction form
    462,854,719.44/638,697,297.96 = 274,650,584.40/x
  3. Step 3: Cross multiply
    462,854,719.44x = 638,697,297.96 × 274,650,584.40
  4. Step 4: Simplify right side
    462,854,719.44x = 175,418,586,139,414,912
  5. Step 5: Solve for x
    x = 175,418,586,139,414,912/462,854,719.44
  6. Step 6: Final answer
    x = 378,992,756.85

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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.