Home / 912,911,145,521.33-1,259,933,606,667.20-552,031,542,821.10

Finding the Fourth Proportional to 912,911,145,521.33, 1,259,933,606,667.20 and 552,031,542,821.10

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Solution

The fourth proportional to 912,911,145,521.33, 1,259,933,606,667.20 and 552,031,542,821.10 is: 761,873,810,121.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,911,145,521.33 : 1,259,933,606,667.20 = 552,031,542,821.10 : x
  2. Step 2: Convert to fraction form
    912,911,145,521.33/1,259,933,606,667.20 = 552,031,542,821.10/x
  3. Step 3: Cross multiply
    912,911,145,521.33x = 1,259,933,606,667.20 × 552,031,542,821.10
  4. Step 4: Simplify right side
    912,911,145,521.33x = 695,523,092,740,647,296,172,032
  5. Step 5: Solve for x
    x = 695,523,092,740,647,296,172,032/912,911,145,521.33
  6. Step 6: Final answer
    x = 761,873,810,121.42

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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.