Home / 778,396,627,895.55-1,167,169,300,453.20-618,077,873,481.45

Finding the Fourth Proportional to 778,396,627,895.55, 1,167,169,300,453.20 and 618,077,873,481.45

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Solution

The fourth proportional to 778,396,627,895.55, 1,167,169,300,453.20 and 618,077,873,481.45 is: 926,778,834,033.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,396,627,895.55 : 1,167,169,300,453.20 = 618,077,873,481.45 : x
  2. Step 2: Convert to fraction form
    778,396,627,895.55/1,167,169,300,453.20 = 618,077,873,481.45/x
  3. Step 3: Cross multiply
    778,396,627,895.55x = 1,167,169,300,453.20 × 618,077,873,481.45
  4. Step 4: Simplify right side
    778,396,627,895.55x = 721,401,519,216,945,329,602,560
  5. Step 5: Solve for x
    x = 721,401,519,216,945,329,602,560/778,396,627,895.55
  6. Step 6: Final answer
    x = 926,778,834,033.89

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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.