Home / 498,603,991.68-751,309,324.20-409,718,712.96

Finding the Fourth Proportional to 498,603,991.68, 751,309,324.20 and 409,718,712.96

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Solution

The fourth proportional to 498,603,991.68, 751,309,324.20 and 409,718,712.96 is: 617,374,699.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,603,991.68 : 751,309,324.20 = 409,718,712.96 : x
  2. Step 2: Convert to fraction form
    498,603,991.68/751,309,324.20 = 409,718,712.96/x
  3. Step 3: Cross multiply
    498,603,991.68x = 751,309,324.20 × 409,718,712.96
  4. Step 4: Simplify right side
    498,603,991.68x = 307,825,489,346,071,360
  5. Step 5: Solve for x
    x = 307,825,489,346,071,360/498,603,991.68
  6. Step 6: Final answer
    x = 617,374,699.13

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.