Home / 607,690,378.35-838,613,544.44-329,231,893.68

Finding the Fourth Proportional to 607,690,378.35, 838,613,544.44 and 329,231,893.68

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Solution

The fourth proportional to 607,690,378.35, 838,613,544.44 and 329,231,893.68 is: 454,340,458.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,690,378.35 : 838,613,544.44 = 329,231,893.68 : x
  2. Step 2: Convert to fraction form
    607,690,378.35/838,613,544.44 = 329,231,893.68/x
  3. Step 3: Cross multiply
    607,690,378.35x = 838,613,544.44 × 329,231,893.68
  4. Step 4: Simplify right side
    607,690,378.35x = 276,098,325,300,031,872
  5. Step 5: Solve for x
    x = 276,098,325,300,031,872/607,690,378.35
  6. Step 6: Final answer
    x = 454,340,458.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.