Home / 440,122,980.80-660,184,471.20-310,982,817.80

Finding the Fourth Proportional to 440,122,980.80, 660,184,471.20 and 310,982,817.80

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Solution

The fourth proportional to 440,122,980.80, 660,184,471.20 and 310,982,817.80 is: 466,474,226.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,122,980.80 : 660,184,471.20 = 310,982,817.80 : x
  2. Step 2: Convert to fraction form
    440,122,980.80/660,184,471.20 = 310,982,817.80/x
  3. Step 3: Cross multiply
    440,122,980.80x = 660,184,471.20 × 310,982,817.80
  4. Step 4: Simplify right side
    440,122,980.80x = 205,306,027,121,578,976
  5. Step 5: Solve for x
    x = 205,306,027,121,578,976/440,122,980.80
  6. Step 6: Final answer
    x = 466,474,226.70

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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.