Home / 778,396,627,897.56-1,167,169,300,456.20-618,077,873,483.44

Finding the Fourth Proportional to 778,396,627,897.56, 1,167,169,300,456.20 and 618,077,873,483.44

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Solution

The fourth proportional to 778,396,627,897.56, 1,167,169,300,456.20 and 618,077,873,483.44 is: 926,778,834,036.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,396,627,897.56 : 1,167,169,300,456.20 = 618,077,873,483.44 : x
  2. Step 2: Convert to fraction form
    778,396,627,897.56/1,167,169,300,456.20 = 618,077,873,483.44/x
  3. Step 3: Cross multiply
    778,396,627,897.56x = 1,167,169,300,456.20 × 618,077,873,483.44
  4. Step 4: Simplify right side
    778,396,627,897.56x = 721,401,519,221,122,319,515,648
  5. Step 5: Solve for x
    x = 721,401,519,221,122,319,515,648/778,396,627,897.56
  6. Step 6: Final answer
    x = 926,778,834,036.86

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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.