Home / 458,322,601.78-687,533,100.87-196,034,393.08

Finding the Fourth Proportional to 458,322,601.78, 687,533,100.87 and 196,034,393.08

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Solution

The fourth proportional to 458,322,601.78, 687,533,100.87 and 196,034,393.08 is: 294,072,632.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,322,601.78 : 687,533,100.87 = 196,034,393.08 : x
  2. Step 2: Convert to fraction form
    458,322,601.78/687,533,100.87 = 196,034,393.08/x
  3. Step 3: Cross multiply
    458,322,601.78x = 687,533,100.87 × 196,034,393.08
  4. Step 4: Simplify right side
    458,322,601.78x = 134,780,134,151,460,880
  5. Step 5: Solve for x
    x = 134,780,134,151,460,880/458,322,601.78
  6. Step 6: Final answer
    x = 294,072,632.74

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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.