Home / 442,844,383.70-664,266,575.55-289,962,002.90

Finding the Fourth Proportional to 442,844,383.70, 664,266,575.55 and 289,962,002.90

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Solution

The fourth proportional to 442,844,383.70, 664,266,575.55 and 289,962,002.90 is: 434,943,004.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,844,383.70 : 664,266,575.55 = 289,962,002.90 : x
  2. Step 2: Convert to fraction form
    442,844,383.70/664,266,575.55 = 289,962,002.90/x
  3. Step 3: Cross multiply
    442,844,383.70x = 664,266,575.55 × 289,962,002.90
  4. Step 4: Simplify right side
    442,844,383.70x = 192,612,066,706,002,144
  5. Step 5: Solve for x
    x = 192,612,066,706,002,144/442,844,383.70
  6. Step 6: Final answer
    x = 434,943,004.35

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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.