Home / 415,321,215.20-622,981,822.80-415,321,215.20

Finding the Fourth Proportional to 415,321,215.20, 622,981,822.80 and 415,321,215.20

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Solution

The fourth proportional to 415,321,215.20, 622,981,822.80 and 415,321,215.20 is: 622,981,822.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,321,215.20 : 622,981,822.80 = 415,321,215.20 : x
  2. Step 2: Convert to fraction form
    415,321,215.20/622,981,822.80 = 415,321,215.20/x
  3. Step 3: Cross multiply
    415,321,215.20x = 622,981,822.80 × 415,321,215.20
  4. Step 4: Simplify right side
    415,321,215.20x = 258,737,567,692,807,040
  5. Step 5: Solve for x
    x = 258,737,567,692,807,040/415,321,215.20
  6. Step 6: Final answer
    x = 622,981,822.80

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1.5x scale

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.