Home / 961,608,556.88-1,327,006,786.64-538,222,092.32

Finding the Fourth Proportional to 961,608,556.88, 1,327,006,786.64 and 538,222,092.32

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Solution

The fourth proportional to 961,608,556.88, 1,327,006,786.64 and 538,222,092.32 is: 742,739,198.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,608,556.88 : 1,327,006,786.64 = 538,222,092.32 : x
  2. Step 2: Convert to fraction form
    961,608,556.88/1,327,006,786.64 = 538,222,092.32/x
  3. Step 3: Cross multiply
    961,608,556.88x = 1,327,006,786.64 × 538,222,092.32
  4. Step 4: Simplify right side
    961,608,556.88x = 714,224,369,228,220,800
  5. Step 5: Solve for x
    x = 714,224,369,228,220,800/961,608,556.88
  6. Step 6: Final answer
    x = 742,739,198.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.