Home / 627,078,012.76-865,422,798.10-344,870,183.68

Finding the Fourth Proportional to 627,078,012.76, 865,422,798.10 and 344,870,183.68

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Solution

The fourth proportional to 627,078,012.76, 865,422,798.10 and 344,870,183.68 is: 475,951,178.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,078,012.76 : 865,422,798.10 = 344,870,183.68 : x
  2. Step 2: Convert to fraction form
    627,078,012.76/865,422,798.10 = 344,870,183.68/x
  3. Step 3: Cross multiply
    627,078,012.76x = 865,422,798.10 × 344,870,183.68
  4. Step 4: Simplify right side
    627,078,012.76x = 298,458,519,341,606,592
  5. Step 5: Solve for x
    x = 298,458,519,341,606,592/627,078,012.76
  6. Step 6: Final answer
    x = 475,951,178.75

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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.