Home / 824,067,010.10-1,236,100,515.15-278,808,544.10

Finding the Fourth Proportional to 824,067,010.10, 1,236,100,515.15 and 278,808,544.10

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Solution

The fourth proportional to 824,067,010.10, 1,236,100,515.15 and 278,808,544.10 is: 418,212,816.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,067,010.10 : 1,236,100,515.15 = 278,808,544.10 : x
  2. Step 2: Convert to fraction form
    824,067,010.10/1,236,100,515.15 = 278,808,544.10/x
  3. Step 3: Cross multiply
    824,067,010.10x = 1,236,100,515.15 × 278,808,544.10
  4. Step 4: Simplify right side
    824,067,010.10x = 344,635,384,990,231,552
  5. Step 5: Solve for x
    x = 344,635,384,990,231,552/824,067,010.10
  6. Step 6: Final answer
    x = 418,212,816.15

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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.