Home / 458,322,599.66-687,533,097.69-196,034,390.96

Finding the Fourth Proportional to 458,322,599.66, 687,533,097.69 and 196,034,390.96

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Solution

The fourth proportional to 458,322,599.66, 687,533,097.69 and 196,034,390.96 is: 294,072,629.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,322,599.66 : 687,533,097.69 = 196,034,390.96 : x
  2. Step 2: Convert to fraction form
    458,322,599.66/687,533,097.69 = 196,034,390.96/x
  3. Step 3: Cross multiply
    458,322,599.66x = 687,533,097.69 × 196,034,390.96
  4. Step 4: Simplify right side
    458,322,599.66x = 134,780,132,066,083,488
  5. Step 5: Solve for x
    x = 134,780,132,066,083,488/458,322,599.66
  6. Step 6: Final answer
    x = 294,072,629.56

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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.