Home / 1,192,771,803,780.10-1,789,409,289,845-386,876,155,975.65

Finding the Fourth Proportional to 1,192,771,803,780.10, 1,789,409,289,845 and 386,876,155,975.65

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Solution

The fourth proportional to 1,192,771,803,780.10, 1,789,409,289,845 and 386,876,155,975.65 is: 580,395,835,421.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,771,803,780.10 : 1,789,409,289,845 = 386,876,155,975.65 : x
  2. Step 2: Convert to fraction form
    1,192,771,803,780.10/1,789,409,289,845 = 386,876,155,975.65/x
  3. Step 3: Cross multiply
    1,192,771,803,780.10x = 1,789,409,289,845 × 386,876,155,975.65
  4. Step 4: Simplify right side
    1,192,771,803,780.10x = 692,279,787,522,351,427,485,696
  5. Step 5: Solve for x
    x = 692,279,787,522,351,427,485,696/1,192,771,803,780.10
  6. Step 6: Final answer
    x = 580,395,835,421.66

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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.