Home / 1,192,771,803,778.40-1,789,409,289,842.40-386,876,155,973.97

Finding the Fourth Proportional to 1,192,771,803,778.40, 1,789,409,289,842.40 and 386,876,155,973.97

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Solution

The fourth proportional to 1,192,771,803,778.40, 1,789,409,289,842.40 and 386,876,155,973.97 is: 580,395,835,419.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,771,803,778.40 : 1,789,409,289,842.40 = 386,876,155,973.97 : x
  2. Step 2: Convert to fraction form
    1,192,771,803,778.40/1,789,409,289,842.40 = 386,876,155,973.97/x
  3. Step 3: Cross multiply
    1,192,771,803,778.40x = 1,789,409,289,842.40 × 386,876,155,973.97
  4. Step 4: Simplify right side
    1,192,771,803,778.40x = 692,279,787,518,339,122,724,864
  5. Step 5: Solve for x
    x = 692,279,787,518,339,122,724,864/1,192,771,803,778.40
  6. Step 6: Final answer
    x = 580,395,835,419.12

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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.