Home / 322,500,780.75-483,752,942.73-80,163,684.75

Finding the Fourth Proportional to 322,500,780.75, 483,752,942.73 and 80,163,684.75

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Solution

The fourth proportional to 322,500,780.75, 483,752,942.73 and 80,163,684.75 is: 120,245,967.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,500,780.75 : 483,752,942.73 = 80,163,684.75 : x
  2. Step 2: Convert to fraction form
    322,500,780.75/483,752,942.73 = 80,163,684.75/x
  3. Step 3: Cross multiply
    322,500,780.75x = 483,752,942.73 × 80,163,684.75
  4. Step 4: Simplify right side
    322,500,780.75x = 38,779,418,397,892,528
  5. Step 5: Solve for x
    x = 38,779,418,397,892,528/322,500,780.75
  6. Step 6: Final answer
    x = 120,245,967.49

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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.