Home / 440,770,780.57-660,951,864.21-164,347,775

Finding the Fourth Proportional to 440,770,780.57, 660,951,864.21 and 164,347,775

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Solution

The fourth proportional to 440,770,780.57, 660,951,864.21 and 164,347,775 is: 246,445,483.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,770,780.57 : 660,951,864.21 = 164,347,775 : x
  2. Step 2: Convert to fraction form
    440,770,780.57/660,951,864.21 = 164,347,775/x
  3. Step 3: Cross multiply
    440,770,780.57x = 660,951,864.21 × 164,347,775
  4. Step 4: Simplify right side
    440,770,780.57x = 108,625,968,265,015,632
  5. Step 5: Solve for x
    x = 108,625,968,265,015,632/440,770,780.57
  6. Step 6: Final answer
    x = 246,445,483.81

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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.