Home / 324,038,488.08-486,058,993.13-78,394,728.77

Finding the Fourth Proportional to 324,038,488.08, 486,058,993.13 and 78,394,728.77

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Solution

The fourth proportional to 324,038,488.08, 486,058,993.13 and 78,394,728.77 is: 117,592,398.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,038,488.08 : 486,058,993.13 = 78,394,728.77 : x
  2. Step 2: Convert to fraction form
    324,038,488.08/486,058,993.13 = 78,394,728.77/x
  3. Step 3: Cross multiply
    324,038,488.08x = 486,058,993.13 × 78,394,728.77
  4. Step 4: Simplify right side
    324,038,488.08x = 38,104,462,930,411,336
  5. Step 5: Solve for x
    x = 38,104,462,930,411,336/324,038,488.08
  6. Step 6: Final answer
    x = 117,592,398.22

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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.