Home / 931,149,338.25-1,396,961,253.14-276,124,292.49

Finding the Fourth Proportional to 931,149,338.25, 1,396,961,253.14 and 276,124,292.49

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Solution

The fourth proportional to 931,149,338.25, 1,396,961,253.14 and 276,124,292.49 is: 414,256,791.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,149,338.25 : 1,396,961,253.14 = 276,124,292.49 : x
  2. Step 2: Convert to fraction form
    931,149,338.25/1,396,961,253.14 = 276,124,292.49/x
  3. Step 3: Cross multiply
    931,149,338.25x = 1,396,961,253.14 × 276,124,292.49
  4. Step 4: Simplify right side
    931,149,338.25x = 385,734,937,659,226,304
  5. Step 5: Solve for x
    x = 385,734,937,659,226,304/931,149,338.25
  6. Step 6: Final answer
    x = 414,256,791.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.