Home / 440,123,003.80-660,184,505.70-310,982,840.80

Finding the Fourth Proportional to 440,123,003.80, 660,184,505.70 and 310,982,840.80

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Solution

The fourth proportional to 440,123,003.80, 660,184,505.70 and 310,982,840.80 is: 466,474,261.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,123,003.80 : 660,184,505.70 = 310,982,840.80 : x
  2. Step 2: Convert to fraction form
    440,123,003.80/660,184,505.70 = 310,982,840.80/x
  3. Step 3: Cross multiply
    440,123,003.80x = 660,184,505.70 × 310,982,840.80
  4. Step 4: Simplify right side
    440,123,003.80x = 205,306,053,034,729,824
  5. Step 5: Solve for x
    x = 205,306,053,034,729,824/440,123,003.80
  6. Step 6: Final answer
    x = 466,474,261.20

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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.