Home / 396,976,845.60-595,465,268.40-365,232,103.20

Finding the Fourth Proportional to 396,976,845.60, 595,465,268.40 and 365,232,103.20

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Solution

The fourth proportional to 396,976,845.60, 595,465,268.40 and 365,232,103.20 is: 547,848,154.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,976,845.60 : 595,465,268.40 = 365,232,103.20 : x
  2. Step 2: Convert to fraction form
    396,976,845.60/595,465,268.40 = 365,232,103.20/x
  3. Step 3: Cross multiply
    396,976,845.60x = 595,465,268.40 × 365,232,103.20
  4. Step 4: Simplify right side
    396,976,845.60x = 217,483,032,360,284,480
  5. Step 5: Solve for x
    x = 217,483,032,360,284,480/396,976,845.60
  6. Step 6: Final answer
    x = 547,848,154.80

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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.