Home / 442,308,408.90-663,462,613.35-415,045,485.60

Finding the Fourth Proportional to 442,308,408.90, 663,462,613.35 and 415,045,485.60

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Solution

The fourth proportional to 442,308,408.90, 663,462,613.35 and 415,045,485.60 is: 622,568,228.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,308,408.90 : 663,462,613.35 = 415,045,485.60 : x
  2. Step 2: Convert to fraction form
    442,308,408.90/663,462,613.35 = 415,045,485.60/x
  3. Step 3: Cross multiply
    442,308,408.90x = 663,462,613.35 × 415,045,485.60
  4. Step 4: Simplify right side
    442,308,408.90x = 275,367,162,535,295,808
  5. Step 5: Solve for x
    x = 275,367,162,535,295,808/442,308,408.90
  6. Step 6: Final answer
    x = 622,568,228.40

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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.