Home / 1,192,771,803,786.10-1,789,409,289,854-386,876,155,981.65

Finding the Fourth Proportional to 1,192,771,803,786.10, 1,789,409,289,854 and 386,876,155,981.65

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Solution

The fourth proportional to 1,192,771,803,786.10, 1,789,409,289,854 and 386,876,155,981.65 is: 580,395,835,430.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,771,803,786.10 : 1,789,409,289,854 = 386,876,155,981.65 : x
  2. Step 2: Convert to fraction form
    1,192,771,803,786.10/1,789,409,289,854 = 386,876,155,981.65/x
  3. Step 3: Cross multiply
    1,192,771,803,786.10x = 1,789,409,289,854 × 386,876,155,981.65
  4. Step 4: Simplify right side
    1,192,771,803,786.10x = 692,279,787,536,569,648,283,648
  5. Step 5: Solve for x
    x = 692,279,787,536,569,648,283,648/1,192,771,803,786.10
  6. Step 6: Final answer
    x = 580,395,835,430.66

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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.