Home / 324,038,488.46-486,058,993.70-78,394,729.14

Finding the Fourth Proportional to 324,038,488.46, 486,058,993.70 and 78,394,729.14

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Solution

The fourth proportional to 324,038,488.46, 486,058,993.70 and 78,394,729.14 is: 117,592,398.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,038,488.46 : 486,058,993.70 = 78,394,729.14 : x
  2. Step 2: Convert to fraction form
    324,038,488.46/486,058,993.70 = 78,394,729.14/x
  3. Step 3: Cross multiply
    324,038,488.46x = 486,058,993.70 × 78,394,729.14
  4. Step 4: Simplify right side
    324,038,488.46x = 38,104,463,156,780,496
  5. Step 5: Solve for x
    x = 38,104,463,156,780,496/324,038,488.46
  6. Step 6: Final answer
    x = 117,592,398.79

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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.