Home / 1,192,771,803,780.90-1,789,409,289,846.10-386,876,155,976.42

Finding the Fourth Proportional to 1,192,771,803,780.90, 1,789,409,289,846.10 and 386,876,155,976.42

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Solution

The fourth proportional to 1,192,771,803,780.90, 1,789,409,289,846.10 and 386,876,155,976.42 is: 580,395,835,422.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,771,803,780.90 : 1,789,409,289,846.10 = 386,876,155,976.42 : x
  2. Step 2: Convert to fraction form
    1,192,771,803,780.90/1,789,409,289,846.10 = 386,876,155,976.42/x
  3. Step 3: Cross multiply
    1,192,771,803,780.90x = 1,789,409,289,846.10 × 386,876,155,976.42
  4. Step 4: Simplify right side
    1,192,771,803,780.90x = 692,279,787,524,154,776,879,104
  5. Step 5: Solve for x
    x = 692,279,787,524,154,776,879,104/1,192,771,803,780.90
  6. Step 6: Final answer
    x = 580,395,835,422.78

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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.