Home / 486,110,231.34-670,772,716.83-387,242,745.90

Finding the Fourth Proportional to 486,110,231.34, 670,772,716.83 and 387,242,745.90

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Solution

The fourth proportional to 486,110,231.34, 670,772,716.83 and 387,242,745.90 is: 534,347,668.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,110,231.34 : 670,772,716.83 = 387,242,745.90 : x
  2. Step 2: Convert to fraction form
    486,110,231.34/670,772,716.83 = 387,242,745.90/x
  3. Step 3: Cross multiply
    486,110,231.34x = 670,772,716.83 × 387,242,745.90
  4. Step 4: Simplify right side
    486,110,231.34x = 259,751,868,740,052,352
  5. Step 5: Solve for x
    x = 259,751,868,740,052,352/486,110,231.34
  6. Step 6: Final answer
    x = 534,347,668.48

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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.