Home / 881,585,997.12-1,322,570,314.41-268,154,279.64

Finding the Fourth Proportional to 881,585,997.12, 1,322,570,314.41 and 268,154,279.64

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Solution

The fourth proportional to 881,585,997.12, 1,322,570,314.41 and 268,154,279.64 is: 402,289,613.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,585,997.12 : 1,322,570,314.41 = 268,154,279.64 : x
  2. Step 2: Convert to fraction form
    881,585,997.12/1,322,570,314.41 = 268,154,279.64/x
  3. Step 3: Cross multiply
    881,585,997.12x = 1,322,570,314.41 × 268,154,279.64
  4. Step 4: Simplify right side
    881,585,997.12x = 354,652,889,933,861,888
  5. Step 5: Solve for x
    x = 354,652,889,933,861,888/881,585,997.12
  6. Step 6: Final answer
    x = 402,289,613.37

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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.