Home / 1,615,419,234.53-2,229,278,636.78-872,863,297.28

Finding the Fourth Proportional to 1,615,419,234.53, 2,229,278,636.78 and 872,863,297.28

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Solution

The fourth proportional to 1,615,419,234.53, 2,229,278,636.78 and 872,863,297.28 is: 1,204,551,400.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,419,234.53 : 2,229,278,636.78 = 872,863,297.28 : x
  2. Step 2: Convert to fraction form
    1,615,419,234.53/2,229,278,636.78 = 872,863,297.28/x
  3. Step 3: Cross multiply
    1,615,419,234.53x = 2,229,278,636.78 × 872,863,297.28
  4. Step 4: Simplify right side
    1,615,419,234.53x = 1,945,855,501,453,039,872
  5. Step 5: Solve for x
    x = 1,945,855,501,453,039,872/1,615,419,234.53
  6. Step 6: Final answer
    x = 1,204,551,400.56

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1.5x scale

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.