Home / 440,383,325.56-660,138,655.47-206,795,893.06

Finding the Fourth Proportional to 440,383,325.56, 660,138,655.47 and 206,795,893.06

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Solution

The fourth proportional to 440,383,325.56, 660,138,655.47 and 206,795,893.06 is: 309,988,945.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,383,325.56 : 660,138,655.47 = 206,795,893.06 : x
  2. Step 2: Convert to fraction form
    440,383,325.56/660,138,655.47 = 206,795,893.06/x
  3. Step 3: Cross multiply
    440,383,325.56x = 660,138,655.47 × 206,795,893.06
  4. Step 4: Simplify right side
    440,383,325.56x = 136,513,962,801,346,304
  5. Step 5: Solve for x
    x = 136,513,962,801,346,304/440,383,325.56
  6. Step 6: Final answer
    x = 309,988,945.72

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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.