Home / 894,835,667.21-1,342,170,683.06-422,026,298.42

Finding the Fourth Proportional to 894,835,667.21, 1,342,170,683.06 and 422,026,298.42

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Solution

The fourth proportional to 894,835,667.21, 1,342,170,683.06 and 422,026,298.42 is: 633,000,388.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,835,667.21 : 1,342,170,683.06 = 422,026,298.42 : x
  2. Step 2: Convert to fraction form
    894,835,667.21/1,342,170,683.06 = 422,026,298.42/x
  3. Step 3: Cross multiply
    894,835,667.21x = 1,342,170,683.06 × 422,026,298.42
  4. Step 4: Simplify right side
    894,835,667.21x = 566,431,325,210,833,856
  5. Step 5: Solve for x
    x = 566,431,325,210,833,856/894,835,667.21
  6. Step 6: Final answer
    x = 633,000,388.75

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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.