Home / 440,555,287.96-660,908,219.42-181,628,965.90

Finding the Fourth Proportional to 440,555,287.96, 660,908,219.42 and 181,628,965.90

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Solution

The fourth proportional to 440,555,287.96, 660,908,219.42 and 181,628,965.90 is: 272,474,487.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,555,287.96 : 660,908,219.42 = 181,628,965.90 : x
  2. Step 2: Convert to fraction form
    440,555,287.96/660,908,219.42 = 181,628,965.90/x
  3. Step 3: Cross multiply
    440,555,287.96x = 660,908,219.42 × 181,628,965.90
  4. Step 4: Simplify right side
    440,555,287.96x = 120,040,076,448,064,896
  5. Step 5: Solve for x
    x = 120,040,076,448,064,896/440,555,287.96
  6. Step 6: Final answer
    x = 272,474,487.83

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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.