Home / 324,663,418.11-486,988,304.22-79,021,423.39

Finding the Fourth Proportional to 324,663,418.11, 486,988,304.22 and 79,021,423.39

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Solution

The fourth proportional to 324,663,418.11, 486,988,304.22 and 79,021,423.39 is: 118,530,474.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,663,418.11 : 486,988,304.22 = 79,021,423.39 : x
  2. Step 2: Convert to fraction form
    324,663,418.11/486,988,304.22 = 79,021,423.39/x
  3. Step 3: Cross multiply
    324,663,418.11x = 486,988,304.22 × 79,021,423.39
  4. Step 4: Simplify right side
    324,663,418.11x = 38,482,508,973,746,744
  5. Step 5: Solve for x
    x = 38,482,508,973,746,744/324,663,418.11
  6. Step 6: Final answer
    x = 118,530,474.41

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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.