Home / 438,993,033.60-658,489,550.40-275,734,358.40

Finding the Fourth Proportional to 438,993,033.60, 658,489,550.40 and 275,734,358.40

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Solution

The fourth proportional to 438,993,033.60, 658,489,550.40 and 275,734,358.40 is: 413,601,537.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,993,033.60 : 658,489,550.40 = 275,734,358.40 : x
  2. Step 2: Convert to fraction form
    438,993,033.60/658,489,550.40 = 275,734,358.40/x
  3. Step 3: Cross multiply
    438,993,033.60x = 658,489,550.40 × 275,734,358.40
  4. Step 4: Simplify right side
    438,993,033.60x = 181,568,193,692,648,448
  5. Step 5: Solve for x
    x = 181,568,193,692,648,448/438,993,033.60
  6. Step 6: Final answer
    x = 413,601,537.60

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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.