Home / 554,886,033.48-765,129,216.42-353,624,241.30

Finding the Fourth Proportional to 554,886,033.48, 765,129,216.42 and 353,624,241.30

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Solution

The fourth proportional to 554,886,033.48, 765,129,216.42 and 353,624,241.30 is: 487,610,468.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,886,033.48 : 765,129,216.42 = 353,624,241.30 : x
  2. Step 2: Convert to fraction form
    554,886,033.48/765,129,216.42 = 353,624,241.30/x
  3. Step 3: Cross multiply
    554,886,033.48x = 765,129,216.42 × 353,624,241.30
  4. Step 4: Simplify right side
    554,886,033.48x = 270,568,238,652,985,984
  5. Step 5: Solve for x
    x = 270,568,238,652,985,984/554,886,033.48
  6. Step 6: Final answer
    x = 487,610,468.33

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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.