Home / 681,252,100.66-940,128,277.34-367,986,317.26

Finding the Fourth Proportional to 681,252,100.66, 940,128,277.34 and 367,986,317.26

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Solution

The fourth proportional to 681,252,100.66, 940,128,277.34 and 367,986,317.26 is: 507,821,322.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,252,100.66 : 940,128,277.34 = 367,986,317.26 : x
  2. Step 2: Convert to fraction form
    681,252,100.66/940,128,277.34 = 367,986,317.26/x
  3. Step 3: Cross multiply
    681,252,100.66x = 940,128,277.34 × 367,986,317.26
  4. Step 4: Simplify right side
    681,252,100.66x = 345,954,342,530,334,528
  5. Step 5: Solve for x
    x = 345,954,342,530,334,528/681,252,100.66
  6. Step 6: Final answer
    x = 507,821,322.23

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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.