Home / 1,778,299,630.38-2,667,455,301.87-450,326,942.64

Finding the Fourth Proportional to 1,778,299,630.38, 2,667,455,301.87 and 450,326,942.64

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Solution

The fourth proportional to 1,778,299,630.38, 2,667,455,301.87 and 450,326,942.64 is: 675,491,896.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,299,630.38 : 2,667,455,301.87 = 450,326,942.64 : x
  2. Step 2: Convert to fraction form
    1,778,299,630.38/2,667,455,301.87 = 450,326,942.64/x
  3. Step 3: Cross multiply
    1,778,299,630.38x = 2,667,455,301.87 × 450,326,942.64
  4. Step 4: Simplify right side
    1,778,299,630.38x = 1,201,226,990,719,975,168
  5. Step 5: Solve for x
    x = 1,201,226,990,719,975,168/1,778,299,630.38
  6. Step 6: Final answer
    x = 675,491,896.98

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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.